78976040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13807}}^1$

素因数の和:13842

約数の個数: 64

約数和(自身を含む): 208776960

約数和(自身を除く): 129800920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 13807, 27614, 55228, 69035, 110456, 138070, 151877, 179491, 276140, 303754, 358982, 552280, 607508, 717964, 759385, 897455, 1215016, 1435928, 1518770, 1794910, 1974401, 3037540, 3589820, 3948802, 6075080, 7179640, 7897604, 9872005, 15795208, 19744010, 39488020, 78976040]

約数ペア:

[(1, 78976040), (2, 39488020), (4, 19744010), (5, 15795208), (8, 9872005), (10, 7897604), (11, 7179640), (13, 6075080), (20, 3948802), (22, 3589820), (26, 3037540), (40, 1974401), (44, 1794910), (52, 1518770), (55, 1435928), (65, 1215016), (88, 897455), (104, 759385), (110, 717964), (130, 607508), (143, 552280), (220, 358982), (260, 303754), (286, 276140), (440, 179491), (520, 151877), (572, 138070), (715, 110456), (1144, 69035), (1430, 55228), (2860, 27614), (5720, 13807)]