31337840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 78343200

約数和(自身を除く): 47005360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 53, 76, 80, 95, 106, 152, 190, 212, 265, 304, 380, 389, 424, 530, 760, 778, 848, 1007, 1060, 1520, 1556, 1945, 2014, 2120, 3112, 3890, 4028, 4240, 5035, 6224, 7391, 7780, 8056, 10070, 14782, 15560, 16112, 20140, 20617, 29564, 31120, 36955, 40280, 41234, 59128, 73910, 80560, 82468, 103085, 118256, 147820, 164936, 206170, 295640, 329872, 391723, 412340, 591280, 783446, 824680, 1566892, 1649360, 1958615, 3133784, 3917230, 6267568, 7834460, 15668920, 31337840]

約数ペア:

[(1, 31337840), (2, 15668920), (4, 7834460), (5, 6267568), (8, 3917230), (10, 3133784), (16, 1958615), (19, 1649360), (20, 1566892), (38, 824680), (40, 783446), (53, 591280), (76, 412340), (80, 391723), (95, 329872), (106, 295640), (152, 206170), (190, 164936), (212, 147820), (265, 118256), (304, 103085), (380, 82468), (389, 80560), (424, 73910), (530, 59128), (760, 41234), (778, 40280), (848, 36955), (1007, 31120), (1060, 29564), (1520, 20617), (1556, 20140), (1945, 16112), (2014, 15560), (2120, 14782), (3112, 10070), (3890, 8056), (4028, 7780), (4240, 7391), (5035, 6224)]