8031260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 17811360

約数和(自身を除く): 9780100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 227, 244, 290, 305, 454, 580, 610, 908, 1135, 1220, 1769, 2270, 3538, 4540, 6583, 7076, 8845, 13166, 13847, 17690, 26332, 27694, 32915, 35380, 55388, 65830, 69235, 131660, 138470, 276940, 401563, 803126, 1606252, 2007815, 4015630, 8031260]

約数ペア:

[(1, 8031260), (2, 4015630), (4, 2007815), (5, 1606252), (10, 803126), (20, 401563), (29, 276940), (58, 138470), (61, 131660), (116, 69235), (122, 65830), (145, 55388), (227, 35380), (244, 32915), (290, 27694), (305, 26332), (454, 17690), (580, 13847), (610, 13166), (908, 8845), (1135, 7076), (1220, 6583), (1769, 4540), (2270, 3538)]