42865420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1459}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 97866720

約数和(自身を除く): 55001300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1459, 1469, 2260, 2918, 2938, 5836, 5876, 7295, 7345, 14590, 14690, 18967, 29180, 29380, 37934, 75868, 94835, 164867, 189670, 329734, 379340, 659468, 824335, 1648670, 2143271, 3297340, 4286542, 8573084, 10716355, 21432710, 42865420]

約数ペア:

[(1, 42865420), (2, 21432710), (4, 10716355), (5, 8573084), (10, 4286542), (13, 3297340), (20, 2143271), (26, 1648670), (52, 824335), (65, 659468), (113, 379340), (130, 329734), (226, 189670), (260, 164867), (452, 94835), (565, 75868), (1130, 37934), (1459, 29380), (1469, 29180), (2260, 18967), (2918, 14690), (2938, 14590), (5836, 7345), (5876, 7295)]