28551080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 67305600

約数和(自身を除く): 38754520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 151, 163, 232, 290, 302, 326, 580, 604, 652, 755, 815, 1160, 1208, 1304, 1510, 1630, 3020, 3260, 4379, 4727, 6040, 6520, 8758, 9454, 17516, 18908, 21895, 23635, 24613, 35032, 37816, 43790, 47270, 49226, 87580, 94540, 98452, 123065, 175160, 189080, 196904, 246130, 492260, 713777, 984520, 1427554, 2855108, 3568885, 5710216, 7137770, 14275540, 28551080]

約数ペア:

[(1, 28551080), (2, 14275540), (4, 7137770), (5, 5710216), (8, 3568885), (10, 2855108), (20, 1427554), (29, 984520), (40, 713777), (58, 492260), (116, 246130), (145, 196904), (151, 189080), (163, 175160), (232, 123065), (290, 98452), (302, 94540), (326, 87580), (580, 49226), (604, 47270), (652, 43790), (755, 37816), (815, 35032), (1160, 24613), (1208, 23635), (1304, 21895), (1510, 18908), (1630, 17516), (3020, 9454), (3260, 8758), (4379, 6520), (4727, 6040)]