214243640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{412007}}^1$

素因数の和:412031

約数の個数: 32

約数和(自身を含む): 519130080

約数和(自身を除く): 304886440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 412007, 824014, 1648028, 2060035, 3296056, 4120070, 5356091, 8240140, 10712182, 16480280, 21424364, 26780455, 42848728, 53560910, 107121820, 214243640]

約数ペア:

[(1, 214243640), (2, 107121820), (4, 53560910), (5, 42848728), (8, 26780455), (10, 21424364), (13, 16480280), (20, 10712182), (26, 8240140), (40, 5356091), (52, 4120070), (65, 3296056), (104, 2060035), (130, 1648028), (260, 824014), (520, 412007)]