2539120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1867}}^1$

素因数の和:1897

約数の個数: 40

約数和(自身を含む): 6254064

約数和(自身を除く): 3714944

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1867, 3734, 7468, 9335, 14936, 18670, 29872, 31739, 37340, 63478, 74680, 126956, 149360, 158695, 253912, 317390, 507824, 634780, 1269560, 2539120]

約数ペア:

[(1, 2539120), (2, 1269560), (4, 634780), (5, 507824), (8, 317390), (10, 253912), (16, 158695), (17, 149360), (20, 126956), (34, 74680), (40, 63478), (68, 37340), (80, 31739), (85, 29872), (136, 18670), (170, 14936), (272, 9335), (340, 7468), (680, 3734), (1360, 1867)]