28694680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{102481}}^1$

素因数の和:102499

約数の個数: 32

約数和(自身を含む): 73787040

約数和(自身を除く): 45092360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 102481, 204962, 409924, 512405, 717367, 819848, 1024810, 1434734, 2049620, 2869468, 3586835, 4099240, 5738936, 7173670, 14347340, 28694680]

約数ペア:

[(1, 28694680), (2, 14347340), (4, 7173670), (5, 5738936), (7, 4099240), (8, 3586835), (10, 2869468), (14, 2049620), (20, 1434734), (28, 1024810), (35, 819848), (40, 717367), (56, 512405), (70, 409924), (140, 204962), (280, 102481)]