39974389640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1\times {\mathrm{37529}}^1$

素因数の和:38430

約数の個数: 64

約数和(自身を含む): 92954304000

約数和(自身を除く): 52979914360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 859, 1240, 1718, 3436, 4295, 6872, 8590, 17180, 26629, 34360, 37529, 53258, 75058, 106516, 133145, 150116, 187645, 213032, 266290, 300232, 375290, 532580, 750580, 1065160, 1163399, 1501160, 2326798, 4653596, 5816995, 9307192, 11633990, 23267980, 32237411, 46535960, 64474822, 128949644, 161187055, 257899288, 322374110, 644748220, 999359741, 1289496440, 1998719482, 3997438964, 4996798705, 7994877928, 9993597410, 19987194820, 39974389640]

約数ペア:

[(1, 39974389640), (2, 19987194820), (4, 9993597410), (5, 7994877928), (8, 4996798705), (10, 3997438964), (20, 1998719482), (31, 1289496440), (40, 999359741), (62, 644748220), (124, 322374110), (155, 257899288), (248, 161187055), (310, 128949644), (620, 64474822), (859, 46535960), (1240, 32237411), (1718, 23267980), (3436, 11633990), (4295, 9307192), (6872, 5816995), (8590, 4653596), (17180, 2326798), (26629, 1501160), (34360, 1163399), (37529, 1065160), (53258, 750580), (75058, 532580), (106516, 375290), (133145, 300232), (150116, 266290), (187645, 213032)]