133402520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{81343}}^1$

素因数の和:81395

約数の個数: 32

約数和(自身を含む): 307480320

約数和(自身を除く): 174077800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 81343, 162686, 325372, 406715, 650744, 813430, 1626860, 3253720, 3335063, 6670126, 13340252, 16675315, 26680504, 33350630, 66701260, 133402520]

約数ペア:

[(1, 133402520), (2, 66701260), (4, 33350630), (5, 26680504), (8, 16675315), (10, 13340252), (20, 6670126), (40, 3335063), (41, 3253720), (82, 1626860), (164, 813430), (205, 650744), (328, 406715), (410, 325372), (820, 162686), (1640, 81343)]