3994640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 10499328

約数和(自身を除く): 6504688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 167, 184, 208, 230, 260, 299, 334, 368, 460, 520, 598, 668, 835, 920, 1040, 1196, 1336, 1495, 1670, 1840, 2171, 2392, 2672, 2990, 3340, 3841, 4342, 4784, 5980, 6680, 7682, 8684, 10855, 11960, 13360, 15364, 17368, 19205, 21710, 23920, 30728, 34736, 38410, 43420, 49933, 61456, 76820, 86840, 99866, 153640, 173680, 199732, 249665, 307280, 399464, 499330, 798928, 998660, 1997320, 3994640]

約数ペア:

[(1, 3994640), (2, 1997320), (4, 998660), (5, 798928), (8, 499330), (10, 399464), (13, 307280), (16, 249665), (20, 199732), (23, 173680), (26, 153640), (40, 99866), (46, 86840), (52, 76820), (65, 61456), (80, 49933), (92, 43420), (104, 38410), (115, 34736), (130, 30728), (167, 23920), (184, 21710), (208, 19205), (230, 17368), (260, 15364), (299, 13360), (334, 11960), (368, 10855), (460, 8684), (520, 7682), (598, 6680), (668, 5980), (835, 4784), (920, 4342), (1040, 3841), (1196, 3340), (1336, 2990), (1495, 2672), (1670, 2392), (1840, 2171)]