128599348540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1301}}^1\times {\mathrm{380179}}^1$

素因数の和:381502

約数の個数: 48

約数和(自身を含む): 291056683680

約数和(自身を除く): 162457335140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1301, 2602, 5204, 6505, 13010, 16913, 26020, 33826, 67652, 84565, 169130, 338260, 380179, 760358, 1520716, 1900895, 3801790, 4942327, 7603580, 9884654, 19769308, 24711635, 49423270, 98846540, 494612879, 989225758, 1978451516, 2473064395, 4946128790, 6429967427, 9892257580, 12859934854, 25719869708, 32149837135, 64299674270, 128599348540]

約数ペア:

[(1, 128599348540), (2, 64299674270), (4, 32149837135), (5, 25719869708), (10, 12859934854), (13, 9892257580), (20, 6429967427), (26, 4946128790), (52, 2473064395), (65, 1978451516), (130, 989225758), (260, 494612879), (1301, 98846540), (2602, 49423270), (5204, 24711635), (6505, 19769308), (13010, 9884654), (16913, 7603580), (26020, 4942327), (33826, 3801790), (67652, 1900895), (84565, 1520716), (169130, 760358), (338260, 380179)]