38471420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1873}}^1$

素因数の和:1974

約数の個数: 48

約数和(自身を含む): 88152960

約数和(自身を除く): 49681540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 1873, 2054, 3746, 4108, 5135, 7492, 9365, 10270, 18730, 20540, 24349, 37460, 48698, 97396, 121745, 147967, 243490, 295934, 486980, 591868, 739835, 1479670, 1923571, 2959340, 3847142, 7694284, 9617855, 19235710, 38471420]

約数ペア:

[(1, 38471420), (2, 19235710), (4, 9617855), (5, 7694284), (10, 3847142), (13, 2959340), (20, 1923571), (26, 1479670), (52, 739835), (65, 591868), (79, 486980), (130, 295934), (158, 243490), (260, 147967), (316, 121745), (395, 97396), (790, 48698), (1027, 37460), (1580, 24349), (1873, 20540), (2054, 18730), (3746, 10270), (4108, 9365), (5135, 7492)]