2653360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1951}}^1$

素因数の和:1981

約数の個数: 40

約数和(自身を含む): 6535296

約数和(自身を除く): 3881936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1951, 3902, 7804, 9755, 15608, 19510, 31216, 33167, 39020, 66334, 78040, 132668, 156080, 165835, 265336, 331670, 530672, 663340, 1326680, 2653360]

約数ペア:

[(1, 2653360), (2, 1326680), (4, 663340), (5, 530672), (8, 331670), (10, 265336), (16, 165835), (17, 156080), (20, 132668), (34, 78040), (40, 66334), (68, 39020), (80, 33167), (85, 31216), (136, 19510), (170, 15608), (272, 9755), (340, 7804), (680, 3902), (1360, 1951)]