51471920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37847}}^1$

素因数の和:37877

約数の個数: 40

約数和(自身を含む): 126715104

約数和(自身を除く): 75243184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 37847, 75694, 151388, 189235, 302776, 378470, 605552, 643399, 756940, 1286798, 1513880, 2573596, 3027760, 3216995, 5147192, 6433990, 10294384, 12867980, 25735960, 51471920]

約数ペア:

[(1, 51471920), (2, 25735960), (4, 12867980), (5, 10294384), (8, 6433990), (10, 5147192), (16, 3216995), (17, 3027760), (20, 2573596), (34, 1513880), (40, 1286798), (68, 756940), (80, 643399), (85, 605552), (136, 378470), (170, 302776), (272, 189235), (340, 151388), (680, 75694), (1360, 37847)]