51536240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13147}}^1$

素因数の和:13174

約数の個数: 60

約数和(自身を含む): 139395096

約数和(自身を除く): 87858856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 13147, 26294, 52588, 65735, 92029, 105176, 131470, 184058, 210352, 262940, 368116, 460145, 525880, 644203, 736232, 920290, 1051760, 1288406, 1472464, 1840580, 2576812, 3221015, 3681160, 5153624, 6442030, 7362320, 10307248, 12884060, 25768120, 51536240]

約数ペア:

[(1, 51536240), (2, 25768120), (4, 12884060), (5, 10307248), (7, 7362320), (8, 6442030), (10, 5153624), (14, 3681160), (16, 3221015), (20, 2576812), (28, 1840580), (35, 1472464), (40, 1288406), (49, 1051760), (56, 920290), (70, 736232), (80, 644203), (98, 525880), (112, 460145), (140, 368116), (196, 262940), (245, 210352), (280, 184058), (392, 131470), (490, 105176), (560, 92029), (784, 65735), (980, 52588), (1960, 26294), (3920, 13147)]