87427160

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6983}}^1$

素因数の和:7307

約数の個数: 32

約数和(自身を含む): 197367840

約数和(自身を除く): 109940680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 6983, 12520, 13966, 27932, 34915, 55864, 69830, 139660, 279320, 2185679, 4371358, 8742716, 10928395, 17485432, 21856790, 43713580, 87427160]

約数ペア:

[(1, 87427160), (2, 43713580), (4, 21856790), (5, 17485432), (8, 10928395), (10, 8742716), (20, 4371358), (40, 2185679), (313, 279320), (626, 139660), (1252, 69830), (1565, 55864), (2504, 34915), (3130, 27932), (6260, 13966), (6983, 12520)]