40746680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 99671040

約数和(自身を除く): 58924360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 617, 635, 1016, 1234, 1270, 1651, 2468, 2540, 3085, 3302, 4936, 5080, 6170, 6604, 8021, 8255, 12340, 13208, 16042, 16510, 24680, 32084, 33020, 40105, 64168, 66040, 78359, 80210, 156718, 160420, 313436, 320840, 391795, 626872, 783590, 1018667, 1567180, 2037334, 3134360, 4074668, 5093335, 8149336, 10186670, 20373340, 40746680]

約数ペア:

[(1, 40746680), (2, 20373340), (4, 10186670), (5, 8149336), (8, 5093335), (10, 4074668), (13, 3134360), (20, 2037334), (26, 1567180), (40, 1018667), (52, 783590), (65, 626872), (104, 391795), (127, 320840), (130, 313436), (254, 160420), (260, 156718), (508, 80210), (520, 78359), (617, 66040), (635, 64168), (1016, 40105), (1234, 33020), (1270, 32084), (1651, 24680), (2468, 16510), (2540, 16042), (3085, 13208), (3302, 12340), (4936, 8255), (5080, 8021), (6170, 6604)]