28552180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1063}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 64350720

約数和(自身を除く): 35798540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1063, 1343, 1580, 2126, 2686, 4252, 5315, 5372, 6715, 10630, 13430, 18071, 21260, 26860, 36142, 72284, 83977, 90355, 167954, 180710, 335908, 361420, 419885, 839770, 1427609, 1679540, 2855218, 5710436, 7138045, 14276090, 28552180]

約数ペア:

[(1, 28552180), (2, 14276090), (4, 7138045), (5, 5710436), (10, 2855218), (17, 1679540), (20, 1427609), (34, 839770), (68, 419885), (79, 361420), (85, 335908), (158, 180710), (170, 167954), (316, 90355), (340, 83977), (395, 72284), (790, 36142), (1063, 26860), (1343, 21260), (1580, 18071), (2126, 13430), (2686, 10630), (4252, 6715), (5315, 5372)]