8404120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{727}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 20114640

約数和(自身を除く): 11710520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 727, 1156, 1445, 1454, 2312, 2890, 2908, 3635, 5780, 5816, 7270, 11560, 12359, 14540, 24718, 29080, 49436, 61795, 98872, 123590, 210103, 247180, 420206, 494360, 840412, 1050515, 1680824, 2101030, 4202060, 8404120]

約数ペア:

[(1, 8404120), (2, 4202060), (4, 2101030), (5, 1680824), (8, 1050515), (10, 840412), (17, 494360), (20, 420206), (34, 247180), (40, 210103), (68, 123590), (85, 98872), (136, 61795), (170, 49436), (289, 29080), (340, 24718), (578, 14540), (680, 12359), (727, 11560), (1156, 7270), (1445, 5816), (1454, 5780), (2312, 3635), (2890, 2908)]