25920920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38119}}^1$

素因数の和:38147

約数の個数: 32

約数和(自身を含む): 61754400

約数和(自身を除く): 35833480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 38119, 76238, 152476, 190595, 304952, 381190, 648023, 762380, 1296046, 1524760, 2592092, 3240115, 5184184, 6480230, 12960460, 25920920]

約数ペア:

[(1, 25920920), (2, 12960460), (4, 6480230), (5, 5184184), (8, 3240115), (10, 2592092), (17, 1524760), (20, 1296046), (34, 762380), (40, 648023), (68, 381190), (85, 304952), (136, 190595), (170, 152476), (340, 76238), (680, 38119)]