202303240

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{25673}}^1$

素因数の和:25881

約数の個数: 32

約数和(自身を含む): 457510680

約数和(自身を除く): 255207440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 25673, 51346, 102692, 128365, 205384, 256730, 513460, 1026920, 5057581, 10115162, 20230324, 25287905, 40460648, 50575810, 101151620, 202303240]

約数ペア:

[(1, 202303240), (2, 101151620), (4, 50575810), (5, 40460648), (8, 25287905), (10, 20230324), (20, 10115162), (40, 5057581), (197, 1026920), (394, 513460), (788, 256730), (985, 205384), (1576, 128365), (1970, 102692), (3940, 51346), (7880, 25673)]