51388280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{75571}}^1$

素因数の和:75599

約数の個数: 32

約数和(自身を含む): 122426640

約数和(自身を除く): 71038360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 75571, 151142, 302284, 377855, 604568, 755710, 1284707, 1511420, 2569414, 3022840, 5138828, 6423535, 10277656, 12847070, 25694140, 51388280]

約数ペア:

[(1, 51388280), (2, 25694140), (4, 12847070), (5, 10277656), (8, 6423535), (10, 5138828), (17, 3022840), (20, 2569414), (34, 1511420), (40, 1284707), (68, 755710), (85, 604568), (136, 377855), (170, 302284), (340, 151142), (680, 75571)]