25499830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2459}}^1$

素因数の和:2544

約数の個数: 32

約数和(自身を含む): 49416480

約数和(自身を除く): 23916650

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 2074, 2459, 4918, 5185, 10370, 12295, 24590, 41803, 83606, 149999, 209015, 299998, 418030, 749995, 1499990, 2549983, 5099966, 12749915, 25499830]

約数ペア:

[(1, 25499830), (2, 12749915), (5, 5099966), (10, 2549983), (17, 1499990), (34, 749995), (61, 418030), (85, 299998), (122, 209015), (170, 149999), (305, 83606), (610, 41803), (1037, 24590), (2074, 12295), (2459, 10370), (4918, 5185)]