8771540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 19897920

約数和(自身を除く): 11126380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 563, 779, 820, 1126, 1558, 2252, 2815, 3116, 3895, 5630, 7790, 10697, 11260, 15580, 21394, 23083, 42788, 46166, 53485, 92332, 106970, 115415, 213940, 230830, 438577, 461660, 877154, 1754308, 2192885, 4385770, 8771540]

約数ペア:

[(1, 8771540), (2, 4385770), (4, 2192885), (5, 1754308), (10, 877154), (19, 461660), (20, 438577), (38, 230830), (41, 213940), (76, 115415), (82, 106970), (95, 92332), (164, 53485), (190, 46166), (205, 42788), (380, 23083), (410, 21394), (563, 15580), (779, 11260), (820, 10697), (1126, 7790), (1558, 5630), (2252, 3895), (2815, 3116)]