81299350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2789}}^1$

素因数の和:2865

約数の個数: 48

約数和(自身を含む): 168136560

約数和(自身を除く): 86837210

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 53, 55, 106, 110, 265, 275, 530, 550, 583, 1166, 1325, 2650, 2789, 2915, 5578, 5830, 13945, 14575, 27890, 29150, 30679, 61358, 69725, 139450, 147817, 153395, 295634, 306790, 739085, 766975, 1478170, 1533950, 1625987, 3251974, 3695425, 7390850, 8129935, 16259870, 40649675, 81299350]

約数ペア:

[(1, 81299350), (2, 40649675), (5, 16259870), (10, 8129935), (11, 7390850), (22, 3695425), (25, 3251974), (50, 1625987), (53, 1533950), (55, 1478170), (106, 766975), (110, 739085), (265, 306790), (275, 295634), (530, 153395), (550, 147817), (583, 139450), (1166, 69725), (1325, 61358), (2650, 30679), (2789, 29150), (2915, 27890), (5578, 14575), (5830, 13945)]