40990120

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1483}}^1$

素因数の和:2185

約数の個数: 32

約数和(自身を含む): 92423520

約数和(自身を除く): 51433400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 1483, 2764, 2966, 3455, 5528, 5932, 6910, 7415, 11864, 13820, 14830, 27640, 29660, 59320, 1024753, 2049506, 4099012, 5123765, 8198024, 10247530, 20495060, 40990120]

約数ペア:

[(1, 40990120), (2, 20495060), (4, 10247530), (5, 8198024), (8, 5123765), (10, 4099012), (20, 2049506), (40, 1024753), (691, 59320), (1382, 29660), (1483, 27640), (2764, 14830), (2966, 13820), (3455, 11864), (5528, 7415), (5932, 6910)]