31596440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 74511360

約数和(自身を除く): 42914920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 307, 310, 332, 415, 614, 620, 664, 830, 1228, 1240, 1535, 1660, 2456, 2573, 3070, 3320, 5146, 6140, 9517, 10292, 12280, 12865, 19034, 20584, 25481, 25730, 38068, 47585, 50962, 51460, 76136, 95170, 101924, 102920, 127405, 190340, 203848, 254810, 380680, 509620, 789911, 1019240, 1579822, 3159644, 3949555, 6319288, 7899110, 15798220, 31596440]

約数ペア:

[(1, 31596440), (2, 15798220), (4, 7899110), (5, 6319288), (8, 3949555), (10, 3159644), (20, 1579822), (31, 1019240), (40, 789911), (62, 509620), (83, 380680), (124, 254810), (155, 203848), (166, 190340), (248, 127405), (307, 102920), (310, 101924), (332, 95170), (415, 76136), (614, 51460), (620, 50962), (664, 47585), (830, 38068), (1228, 25730), (1240, 25481), (1535, 20584), (1660, 19034), (2456, 12865), (2573, 12280), (3070, 10292), (3320, 9517), (5146, 6140)]