2005356520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1811}}^1$

素因数の和:1919

約数の個数: 128

約数和(自身を含む): 5009817600

約数和(自身を除く): 3004461080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 47, 62, 76, 94, 95, 124, 152, 155, 188, 190, 235, 248, 310, 376, 380, 470, 589, 620, 760, 893, 940, 1178, 1240, 1457, 1786, 1811, 1880, 2356, 2914, 2945, 3572, 3622, 4465, 4712, 5828, 5890, 7144, 7244, 7285, 8930, 9055, 11656, 11780, 14488, 14570, 17860, 18110, 23560, 27683, 29140, 34409, 35720, 36220, 55366, 56141, 58280, 68818, 72440, 85117, 110732, 112282, 137636, 138415, 170234, 172045, 221464, 224564, 275272, 276830, 280705, 340468, 344090, 425585, 449128, 553660, 561410, 680936, 688180, 851170, 1066679, 1107320, 1122820, 1376360, 1617223, 1702340, 2133358, 2245640, 2638627, 3234446, 3404680, 4266716, 5277254, 5333395, 6468892, 8086115, 8533432, 10554508, 10666790, 12937784, 13193135, 16172230, 21109016, 21333580, 26386270, 32344460, 42667160, 50133913, 52772540, 64688920, 100267826, 105545080, 200535652, 250669565, 401071304, 501339130, 1002678260, 2005356520]

約数ペア:

[(1, 2005356520), (2, 1002678260), (4, 501339130), (5, 401071304), (8, 250669565), (10, 200535652), (19, 105545080), (20, 100267826), (31, 64688920), (38, 52772540), (40, 50133913), (47, 42667160), (62, 32344460), (76, 26386270), (94, 21333580), (95, 21109016), (124, 16172230), (152, 13193135), (155, 12937784), (188, 10666790), (190, 10554508), (235, 8533432), (248, 8086115), (310, 6468892), (376, 5333395), (380, 5277254), (470, 4266716), (589, 3404680), (620, 3234446), (760, 2638627), (893, 2245640), (940, 2133358), (1178, 1702340), (1240, 1617223), (1457, 1376360), (1786, 1122820), (1811, 1107320), (1880, 1066679), (2356, 851170), (2914, 688180), (2945, 680936), (3572, 561410), (3622, 553660), (4465, 449128), (4712, 425585), (5828, 344090), (5890, 340468), (7144, 280705), (7244, 276830), (7285, 275272), (8930, 224564), (9055, 221464), (11656, 172045), (11780, 170234), (14488, 138415), (14570, 137636), (17860, 112282), (18110, 110732), (23560, 85117), (27683, 72440), (29140, 68818), (34409, 58280), (35720, 56141), (36220, 55366)]