120643640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{232007}}^1$

素因数の和:232031

約数の個数: 32

約数和(自身を含む): 292330080

約数和(自身を除く): 171686440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 232007, 464014, 928028, 1160035, 1856056, 2320070, 3016091, 4640140, 6032182, 9280280, 12064364, 15080455, 24128728, 30160910, 60321820, 120643640]

約数ペア:

[(1, 120643640), (2, 60321820), (4, 30160910), (5, 24128728), (8, 15080455), (10, 12064364), (13, 9280280), (20, 6032182), (26, 4640140), (40, 3016091), (52, 2320070), (65, 1856056), (104, 1160035), (130, 928028), (260, 464014), (520, 232007)]