40394040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19801}}^1$

素因数の和:19832

約数の個数: 64

約数和(自身を含む): 128316960

約数和(自身を除く): 87922920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 19801, 39602, 59403, 79204, 99005, 118806, 158408, 198010, 237612, 297015, 336617, 396020, 475224, 594030, 673234, 792040, 1009851, 1188060, 1346468, 1683085, 2019702, 2376120, 2692936, 3366170, 4039404, 5049255, 6732340, 8078808, 10098510, 13464680, 20197020, 40394040]

約数ペア:

[(1, 40394040), (2, 20197020), (3, 13464680), (4, 10098510), (5, 8078808), (6, 6732340), (8, 5049255), (10, 4039404), (12, 3366170), (15, 2692936), (17, 2376120), (20, 2019702), (24, 1683085), (30, 1346468), (34, 1188060), (40, 1009851), (51, 792040), (60, 673234), (68, 594030), (85, 475224), (102, 396020), (120, 336617), (136, 297015), (170, 237612), (204, 198010), (255, 158408), (340, 118806), (408, 99005), (510, 79204), (680, 59403), (1020, 39602), (2040, 19801)]