42918980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{431}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 97542144

約数和(自身を除く): 54623164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 383, 431, 766, 862, 1532, 1724, 1915, 2155, 3830, 4310, 4979, 5603, 7660, 8620, 9958, 11206, 19916, 22412, 24895, 28015, 49790, 56030, 99580, 112060, 165073, 330146, 660292, 825365, 1650730, 2145949, 3301460, 4291898, 8583796, 10729745, 21459490, 42918980]

約数ペア:

[(1, 42918980), (2, 21459490), (4, 10729745), (5, 8583796), (10, 4291898), (13, 3301460), (20, 2145949), (26, 1650730), (52, 825365), (65, 660292), (130, 330146), (260, 165073), (383, 112060), (431, 99580), (766, 56030), (862, 49790), (1532, 28015), (1724, 24895), (1915, 22412), (2155, 19916), (3830, 11206), (4310, 9958), (4979, 8620), (5603, 7660)]