2051255960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1087}}^1$

素因数の和:1321

約数の個数: 128

約数和(自身を含む): 5264179200

約数和(自身を除く): 3212923240

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 191, 247, 260, 380, 382, 494, 520, 760, 764, 955, 988, 1087, 1235, 1528, 1910, 1976, 2174, 2470, 2483, 3629, 3820, 4348, 4940, 4966, 5435, 7258, 7640, 8696, 9880, 9932, 10870, 12415, 14131, 14516, 18145, 19864, 20653, 21740, 24830, 28262, 29032, 36290, 41306, 43480, 47177, 49660, 56524, 70655, 72580, 82612, 94354, 99320, 103265, 113048, 141310, 145160, 165224, 188708, 206530, 207617, 235885, 268489, 282620, 377416, 413060, 415234, 471770, 536978, 565240, 826120, 830468, 943540, 1038085, 1073956, 1342445, 1660936, 1887080, 2076170, 2147912, 2684890, 2699021, 3944723, 4152340, 5369780, 5398042, 7889446, 8304680, 10739560, 10796084, 13495105, 15778892, 19723615, 21592168, 26990210, 31557784, 39447230, 51281399, 53980420, 78894460, 102562798, 107960840, 157788920, 205125596, 256406995, 410251192, 512813990, 1025627980, 2051255960]

約数ペア:

[(1, 2051255960), (2, 1025627980), (4, 512813990), (5, 410251192), (8, 256406995), (10, 205125596), (13, 157788920), (19, 107960840), (20, 102562798), (26, 78894460), (38, 53980420), (40, 51281399), (52, 39447230), (65, 31557784), (76, 26990210), (95, 21592168), (104, 19723615), (130, 15778892), (152, 13495105), (190, 10796084), (191, 10739560), (247, 8304680), (260, 7889446), (380, 5398042), (382, 5369780), (494, 4152340), (520, 3944723), (760, 2699021), (764, 2684890), (955, 2147912), (988, 2076170), (1087, 1887080), (1235, 1660936), (1528, 1342445), (1910, 1073956), (1976, 1038085), (2174, 943540), (2470, 830468), (2483, 826120), (3629, 565240), (3820, 536978), (4348, 471770), (4940, 415234), (4966, 413060), (5435, 377416), (7258, 282620), (7640, 268489), (8696, 235885), (9880, 207617), (9932, 206530), (10870, 188708), (12415, 165224), (14131, 145160), (14516, 141310), (18145, 113048), (19864, 103265), (20653, 99320), (21740, 94354), (24830, 82612), (28262, 72580), (29032, 70655), (36290, 56524), (41306, 49660), (43480, 47177)]