2013218120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:787

約数の個数: 96

約数和(自身を含む): 4744474560

約数和(自身を除く): 2731256440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 631, 664, 830, 961, 1240, 1262, 1660, 1922, 2524, 2573, 3155, 3320, 3844, 4805, 5048, 5146, 6310, 7688, 9610, 10292, 12620, 12865, 19220, 19561, 20584, 25240, 25730, 38440, 39122, 51460, 52373, 78244, 79763, 97805, 102920, 104746, 156488, 159526, 195610, 209492, 261865, 319052, 391220, 398815, 418984, 523730, 606391, 638104, 782440, 797630, 1047460, 1212782, 1595260, 1623563, 2094920, 2425564, 3031955, 3190520, 3247126, 4851128, 6063910, 6494252, 8117815, 12127820, 12988504, 16235630, 24255640, 32471260, 50330453, 64942520, 100660906, 201321812, 251652265, 402643624, 503304530, 1006609060, 2013218120]

約数ペア:

[(1, 2013218120), (2, 1006609060), (4, 503304530), (5, 402643624), (8, 251652265), (10, 201321812), (20, 100660906), (31, 64942520), (40, 50330453), (62, 32471260), (83, 24255640), (124, 16235630), (155, 12988504), (166, 12127820), (248, 8117815), (310, 6494252), (332, 6063910), (415, 4851128), (620, 3247126), (631, 3190520), (664, 3031955), (830, 2425564), (961, 2094920), (1240, 1623563), (1262, 1595260), (1660, 1212782), (1922, 1047460), (2524, 797630), (2573, 782440), (3155, 638104), (3320, 606391), (3844, 523730), (4805, 418984), (5048, 398815), (5146, 391220), (6310, 319052), (7688, 261865), (9610, 209492), (10292, 195610), (12620, 159526), (12865, 156488), (19220, 104746), (19561, 102920), (20584, 97805), (25240, 79763), (25730, 78244), (38440, 52373), (39122, 51460)]