2013211720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:527

約数の個数: 128

約数和(自身を含む): 4978713600

約数和(自身を除く): 2965501880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 167, 194, 239, 260, 334, 388, 478, 485, 520, 668, 776, 835, 956, 970, 1195, 1261, 1336, 1670, 1912, 1940, 2171, 2390, 2522, 3107, 3340, 3880, 4342, 4780, 5044, 6214, 6305, 6680, 8684, 9560, 10088, 10855, 12428, 12610, 15535, 16199, 17368, 21710, 23183, 24856, 25220, 31070, 32398, 39913, 43420, 46366, 50440, 62140, 64796, 79826, 80995, 86840, 92732, 115915, 124280, 129592, 159652, 161990, 185464, 199565, 210587, 231830, 301379, 319304, 323980, 399130, 421174, 463660, 518869, 602758, 647960, 798260, 842348, 927320, 1037738, 1052935, 1205516, 1506895, 1596520, 1684696, 2075476, 2105870, 2411032, 2594345, 3013790, 3871561, 4150952, 4211740, 5188690, 6027580, 7743122, 8423480, 10377380, 12055160, 15486244, 19357805, 20754760, 30972488, 38715610, 50330293, 77431220, 100660586, 154862440, 201321172, 251651465, 402642344, 503302930, 1006605860, 2013211720]

約数ペア:

[(1, 2013211720), (2, 1006605860), (4, 503302930), (5, 402642344), (8, 251651465), (10, 201321172), (13, 154862440), (20, 100660586), (26, 77431220), (40, 50330293), (52, 38715610), (65, 30972488), (97, 20754760), (104, 19357805), (130, 15486244), (167, 12055160), (194, 10377380), (239, 8423480), (260, 7743122), (334, 6027580), (388, 5188690), (478, 4211740), (485, 4150952), (520, 3871561), (668, 3013790), (776, 2594345), (835, 2411032), (956, 2105870), (970, 2075476), (1195, 1684696), (1261, 1596520), (1336, 1506895), (1670, 1205516), (1912, 1052935), (1940, 1037738), (2171, 927320), (2390, 842348), (2522, 798260), (3107, 647960), (3340, 602758), (3880, 518869), (4342, 463660), (4780, 421174), (5044, 399130), (6214, 323980), (6305, 319304), (6680, 301379), (8684, 231830), (9560, 210587), (10088, 199565), (10855, 185464), (12428, 161990), (12610, 159652), (15535, 129592), (16199, 124280), (17368, 115915), (21710, 92732), (23183, 86840), (24856, 80995), (25220, 79826), (31070, 64796), (32398, 62140), (39913, 50440), (43420, 46366)]