332803640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{640007}}^1$

素因数の和:640031

約数の個数: 32

約数和(自身を含む): 806410080

約数和(自身を除く): 473606440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 640007, 1280014, 2560028, 3200035, 5120056, 6400070, 8320091, 12800140, 16640182, 25600280, 33280364, 41600455, 66560728, 83200910, 166401820, 332803640]

約数ペア:

[(1, 332803640), (2, 166401820), (4, 83200910), (5, 66560728), (8, 41600455), (10, 33280364), (13, 25600280), (20, 16640182), (26, 12800140), (40, 8320091), (52, 6400070), (65, 5120056), (104, 3200035), (130, 2560028), (260, 1280014), (520, 640007)]