25219480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4409}}^1$

素因数の和:4444

約数の個数: 64

約数和(自身を含む): 66679200

約数和(自身を除く): 41459720

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, 4409, 5720, 8818, 17636, 22045, 35272, 44090, 48499, 57317, 88180, 96998, 114634, 176360, 193996, 229268, 242495, 286585, 387992, 458536, 484990, 573170, 630487, 969980, 1146340, 1260974, 1939960, 2292680, 2521948, 3152435, 5043896, 6304870, 12609740, 25219480]

約数ペア:

[(1, 25219480), (2, 12609740), (4, 6304870), (5, 5043896), (8, 3152435), (10, 2521948), (11, 2292680), (13, 1939960), (20, 1260974), (22, 1146340), (26, 969980), (40, 630487), (44, 573170), (52, 484990), (55, 458536), (65, 387992), (88, 286585), (104, 242495), (110, 229268), (130, 193996), (143, 176360), (220, 114634), (260, 96998), (286, 88180), (440, 57317), (520, 48499), (572, 44090), (715, 35272), (1144, 22045), (1430, 17636), (2860, 8818), (4409, 5720)]