2089980525020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2213}}^1\times {\mathrm{774107}}^1$

素因数の和:776390

約数の個数: 48

約数和(自身を含む): 4462930791648

約数和(自身を除く): 2372950266628

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2213, 4426, 8852, 11065, 22130, 44260, 134993, 269986, 539972, 674965, 774107, 1349930, 1548214, 2699860, 3096428, 3870535, 7741070, 15482140, 47220527, 94441054, 188882108, 236102635, 472205270, 944410540, 1713098791, 3426197582, 6852395164, 8565493955, 17130987910, 34261975820, 104499026251, 208998052502, 417996105004, 522495131255, 1044990262510, 2089980525020]

約数ペア:

[(1, 2089980525020), (2, 1044990262510), (4, 522495131255), (5, 417996105004), (10, 208998052502), (20, 104499026251), (61, 34261975820), (122, 17130987910), (244, 8565493955), (305, 6852395164), (610, 3426197582), (1220, 1713098791), (2213, 944410540), (4426, 472205270), (8852, 236102635), (11065, 188882108), (22130, 94441054), (44260, 47220527), (134993, 15482140), (269986, 7741070), (539972, 3870535), (674965, 3096428), (774107, 2699860), (1349930, 1548214)]