40623640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^2$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 94875840

約数和(自身を除く): 54252200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 181, 248, 310, 362, 620, 724, 905, 1240, 1448, 1810, 3620, 5611, 7240, 11222, 22444, 28055, 32761, 44888, 56110, 65522, 112220, 131044, 163805, 224440, 262088, 327610, 655220, 1015591, 1310440, 2031182, 4062364, 5077955, 8124728, 10155910, 20311820, 40623640]

約数ペア:

[(1, 40623640), (2, 20311820), (4, 10155910), (5, 8124728), (8, 5077955), (10, 4062364), (20, 2031182), (31, 1310440), (40, 1015591), (62, 655220), (124, 327610), (155, 262088), (181, 224440), (248, 163805), (310, 131044), (362, 112220), (620, 65522), (724, 56110), (905, 44888), (1240, 32761), (1448, 28055), (1810, 22444), (3620, 11222), (5611, 7240)]