90286480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59399}}^1$

素因数の和:59431

約数の個数: 40

約数和(自身を含む): 220968000

約数和(自身を除く): 130681520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 59399, 118798, 237596, 296995, 475192, 593990, 950384, 1128581, 1187980, 2257162, 2375960, 4514324, 4751920, 5642905, 9028648, 11285810, 18057296, 22571620, 45143240, 90286480]

約数ペア:

[(1, 90286480), (2, 45143240), (4, 22571620), (5, 18057296), (8, 11285810), (10, 9028648), (16, 5642905), (19, 4751920), (20, 4514324), (38, 2375960), (40, 2257162), (76, 1187980), (80, 1128581), (95, 950384), (152, 593990), (190, 475192), (304, 296995), (380, 237596), (760, 118798), (1520, 59399)]