81083260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{563}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 180028800

約数和(自身を除く): 98945540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 379, 380, 563, 758, 1126, 1516, 1895, 2252, 2815, 3790, 5630, 7201, 7580, 10697, 11260, 14402, 21394, 28804, 36005, 42788, 53485, 72010, 106970, 144020, 213377, 213940, 426754, 853508, 1066885, 2133770, 4054163, 4267540, 8108326, 16216652, 20270815, 40541630, 81083260]

約数ペア:

[(1, 81083260), (2, 40541630), (4, 20270815), (5, 16216652), (10, 8108326), (19, 4267540), (20, 4054163), (38, 2133770), (76, 1066885), (95, 853508), (190, 426754), (379, 213940), (380, 213377), (563, 144020), (758, 106970), (1126, 72010), (1516, 53485), (1895, 42788), (2252, 36005), (2815, 28804), (3790, 21394), (5630, 14402), (7201, 11260), (7580, 10697)]