812016880

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{18223}}^1$

素因数の和:18793

約数の個数: 40

約数和(自身を含む): 1891432512

約数和(自身を除く): 1079415632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 4456, 5570, 8912, 11140, 18223, 22280, 36446, 44560, 72892, 91115, 145784, 182230, 291568, 364460, 728920, 1457840, 10150211, 20300422, 40600844, 50751055, 81201688, 101502110, 162403376, 203004220, 406008440, 812016880]

約数ペア:

[(1, 812016880), (2, 406008440), (4, 203004220), (5, 162403376), (8, 101502110), (10, 81201688), (16, 50751055), (20, 40600844), (40, 20300422), (80, 10150211), (557, 1457840), (1114, 728920), (2228, 364460), (2785, 291568), (4456, 182230), (5570, 145784), (8912, 91115), (11140, 72892), (18223, 44560), (22280, 36446)]