8020460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 19595520

約数和(自身を除く): 11575060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 971, 1180, 1652, 1942, 2065, 3884, 4130, 4855, 6797, 8260, 9710, 13594, 19420, 27188, 33985, 57289, 67970, 114578, 135940, 229156, 286445, 401023, 572890, 802046, 1145780, 1604092, 2005115, 4010230, 8020460]

約数ペア:

[(1, 8020460), (2, 4010230), (4, 2005115), (5, 1604092), (7, 1145780), (10, 802046), (14, 572890), (20, 401023), (28, 286445), (35, 229156), (59, 135940), (70, 114578), (118, 67970), (140, 57289), (236, 33985), (295, 27188), (413, 19420), (590, 13594), (826, 9710), (971, 8260), (1180, 6797), (1652, 4855), (1942, 4130), (2065, 3884)]