25712840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37813}}^1$

素因数の和:37841

約数の個数: 32

約数和(自身を含む): 61258680

約数和(自身を除く): 35545840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 37813, 75626, 151252, 189065, 302504, 378130, 642821, 756260, 1285642, 1512520, 2571284, 3214105, 5142568, 6428210, 12856420, 25712840]

約数ペア:

[(1, 25712840), (2, 12856420), (4, 6428210), (5, 5142568), (8, 3214105), (10, 2571284), (17, 1512520), (20, 1285642), (34, 756260), (40, 642821), (68, 378130), (85, 302504), (136, 189065), (170, 151252), (340, 75626), (680, 37813)]