87851920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4969}}^1$

素因数の和:5012

約数の個数: 80

約数和(自身を含む): 232953840

約数和(自身を除く): 145101920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 4969, 8840, 9938, 17680, 19876, 24845, 39752, 49690, 64597, 79504, 84473, 99380, 129194, 168946, 198760, 258388, 322985, 337892, 397520, 422365, 516776, 645970, 675784, 844730, 1033552, 1098149, 1291940, 1351568, 1689460, 2196298, 2583880, 3378920, 4392596, 5167760, 5490745, 6757840, 8785192, 10981490, 17570384, 21962980, 43925960, 87851920]

約数ペア:

[(1, 87851920), (2, 43925960), (4, 21962980), (5, 17570384), (8, 10981490), (10, 8785192), (13, 6757840), (16, 5490745), (17, 5167760), (20, 4392596), (26, 3378920), (34, 2583880), (40, 2196298), (52, 1689460), (65, 1351568), (68, 1291940), (80, 1098149), (85, 1033552), (104, 844730), (130, 675784), (136, 645970), (170, 516776), (208, 422365), (221, 397520), (260, 337892), (272, 322985), (340, 258388), (442, 198760), (520, 168946), (680, 129194), (884, 99380), (1040, 84473), (1105, 79504), (1360, 64597), (1768, 49690), (2210, 39752), (3536, 24845), (4420, 19876), (4969, 17680), (8840, 9938)]