40147640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5939}}^1$

素因数の和:5976

約数の個数: 48

約数和(自身を含む): 97831800

約数和(自身を除く): 57684160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 5939, 6760, 11878, 23756, 29695, 47512, 59390, 77207, 118780, 154414, 237560, 308828, 386035, 617656, 772070, 1003691, 1544140, 2007382, 3088280, 4014764, 5018455, 8029528, 10036910, 20073820, 40147640]

約数ペア:

[(1, 40147640), (2, 20073820), (4, 10036910), (5, 8029528), (8, 5018455), (10, 4014764), (13, 3088280), (20, 2007382), (26, 1544140), (40, 1003691), (52, 772070), (65, 617656), (104, 386035), (130, 308828), (169, 237560), (260, 154414), (338, 118780), (520, 77207), (676, 59390), (845, 47512), (1352, 29695), (1690, 23756), (3380, 11878), (5939, 6760)]