80055740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1103}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 178053120

約数和(自身を除く): 97997380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1103, 1910, 2206, 3629, 3820, 4412, 5515, 7258, 11030, 14516, 18145, 20957, 22060, 36290, 41914, 72580, 83828, 104785, 209570, 210673, 419140, 421346, 842692, 1053365, 2106730, 4002787, 4213460, 8005574, 16011148, 20013935, 40027870, 80055740]

約数ペア:

[(1, 80055740), (2, 40027870), (4, 20013935), (5, 16011148), (10, 8005574), (19, 4213460), (20, 4002787), (38, 2106730), (76, 1053365), (95, 842692), (190, 421346), (191, 419140), (380, 210673), (382, 209570), (764, 104785), (955, 83828), (1103, 72580), (1910, 41914), (2206, 36290), (3629, 22060), (3820, 20957), (4412, 18145), (5515, 14516), (7258, 11030)]