63947780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{587}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 145212480

約数和(自身を除く): 81264700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 419, 587, 838, 1174, 1676, 2095, 2348, 2935, 4190, 5447, 5870, 7631, 8380, 10894, 11740, 15262, 21788, 27235, 30524, 38155, 54470, 76310, 108940, 152620, 245953, 491906, 983812, 1229765, 2459530, 3197389, 4919060, 6394778, 12789556, 15986945, 31973890, 63947780]

約数ペア:

[(1, 63947780), (2, 31973890), (4, 15986945), (5, 12789556), (10, 6394778), (13, 4919060), (20, 3197389), (26, 2459530), (52, 1229765), (65, 983812), (130, 491906), (260, 245953), (419, 152620), (587, 108940), (838, 76310), (1174, 54470), (1676, 38155), (2095, 30524), (2348, 27235), (2935, 21788), (4190, 15262), (5447, 11740), (5870, 10894), (7631, 8380)]