8040160

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1667

約数の個数: 48

約数和(自身を含む): 19619712

約数和(自身を除く): 11579552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 1621, 2480, 3242, 4960, 6484, 8105, 12968, 16210, 25936, 32420, 50251, 51872, 64840, 100502, 129680, 201004, 251255, 259360, 402008, 502510, 804016, 1005020, 1608032, 2010040, 4020080, 8040160]

約数ペア:

[(1, 8040160), (2, 4020080), (4, 2010040), (5, 1608032), (8, 1005020), (10, 804016), (16, 502510), (20, 402008), (31, 259360), (32, 251255), (40, 201004), (62, 129680), (80, 100502), (124, 64840), (155, 51872), (160, 50251), (248, 32420), (310, 25936), (496, 16210), (620, 12968), (992, 8105), (1240, 6484), (1621, 4960), (2480, 3242)]