25840100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 108

約数和(自身を含む): 66714480

約数和(自身を除く): 40874380

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 139, 143, 169, 220, 260, 275, 278, 286, 325, 338, 550, 556, 572, 650, 676, 695, 715, 845, 1100, 1300, 1390, 1430, 1529, 1690, 1807, 1859, 2780, 2860, 3058, 3380, 3475, 3575, 3614, 3718, 4225, 6116, 6950, 7150, 7228, 7436, 7645, 8450, 9035, 9295, 13900, 14300, 15290, 16900, 18070, 18590, 19877, 23491, 30580, 36140, 37180, 38225, 39754, 45175, 46475, 46982, 76450, 79508, 90350, 92950, 93964, 99385, 117455, 152900, 180700, 185900, 198770, 234910, 258401, 397540, 469820, 496925, 516802, 587275, 993850, 1033604, 1174550, 1292005, 1987700, 2349100, 2584010, 5168020, 6460025, 12920050, 25840100]

約数ペア:

[(1, 25840100), (2, 12920050), (4, 6460025), (5, 5168020), (10, 2584010), (11, 2349100), (13, 1987700), (20, 1292005), (22, 1174550), (25, 1033604), (26, 993850), (44, 587275), (50, 516802), (52, 496925), (55, 469820), (65, 397540), (100, 258401), (110, 234910), (130, 198770), (139, 185900), (143, 180700), (169, 152900), (220, 117455), (260, 99385), (275, 93964), (278, 92950), (286, 90350), (325, 79508), (338, 76450), (550, 46982), (556, 46475), (572, 45175), (650, 39754), (676, 38225), (695, 37180), (715, 36140), (845, 30580), (1100, 23491), (1300, 19877), (1390, 18590), (1430, 18070), (1529, 16900), (1690, 15290), (1807, 14300), (1859, 13900), (2780, 9295), (2860, 9035), (3058, 8450), (3380, 7645), (3475, 7436), (3575, 7228), (3614, 7150), (3718, 6950), (4225, 6116)]