47840440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{941}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 113944320

約数和(自身を除く): 66103880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 941, 1240, 1271, 1640, 1882, 2542, 3764, 4705, 5084, 6355, 7528, 9410, 10168, 12710, 18820, 25420, 29171, 37640, 38581, 50840, 58342, 77162, 116684, 145855, 154324, 192905, 233368, 291710, 308648, 385810, 583420, 771620, 1166840, 1196011, 1543240, 2392022, 4784044, 5980055, 9568088, 11960110, 23920220, 47840440]

約数ペア:

[(1, 47840440), (2, 23920220), (4, 11960110), (5, 9568088), (8, 5980055), (10, 4784044), (20, 2392022), (31, 1543240), (40, 1196011), (41, 1166840), (62, 771620), (82, 583420), (124, 385810), (155, 308648), (164, 291710), (205, 233368), (248, 192905), (310, 154324), (328, 145855), (410, 116684), (620, 77162), (820, 58342), (941, 50840), (1240, 38581), (1271, 37640), (1640, 29171), (1882, 25420), (2542, 18820), (3764, 12710), (4705, 10168), (5084, 9410), (6355, 7528)]