87140560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3643}}^1$

素因数の和:3692

約数の個数: 80

約数和(自身を含む): 227735424

約数和(自身を除く): 140594864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 3643, 4784, 5980, 7286, 11960, 14572, 18215, 23920, 29144, 36430, 47359, 58288, 72860, 83789, 94718, 145720, 167578, 189436, 236795, 291440, 335156, 378872, 418945, 473590, 670312, 757744, 837890, 947180, 1089257, 1340624, 1675780, 1894360, 2178514, 3351560, 3788720, 4357028, 5446285, 6703120, 8714056, 10892570, 17428112, 21785140, 43570280, 87140560]

約数ペア:

[(1, 87140560), (2, 43570280), (4, 21785140), (5, 17428112), (8, 10892570), (10, 8714056), (13, 6703120), (16, 5446285), (20, 4357028), (23, 3788720), (26, 3351560), (40, 2178514), (46, 1894360), (52, 1675780), (65, 1340624), (80, 1089257), (92, 947180), (104, 837890), (115, 757744), (130, 670312), (184, 473590), (208, 418945), (230, 378872), (260, 335156), (299, 291440), (368, 236795), (460, 189436), (520, 167578), (598, 145720), (920, 94718), (1040, 83789), (1196, 72860), (1495, 58288), (1840, 47359), (2392, 36430), (2990, 29144), (3643, 23920), (4784, 18215), (5980, 14572), (7286, 11960)]