253992040

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{23431}}^1$

素因数の和:23713

約数の個数: 32

約数和(自身を含む): 573615360

約数和(自身を除く): 319623320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 23431, 46862, 93724, 117155, 187448, 234310, 468620, 937240, 6349801, 12699602, 25399204, 31749005, 50798408, 63498010, 126996020, 253992040]

約数ペア:

[(1, 253992040), (2, 126996020), (4, 63498010), (5, 50798408), (8, 31749005), (10, 25399204), (20, 12699602), (40, 6349801), (271, 937240), (542, 468620), (1084, 234310), (1355, 187448), (2168, 117155), (2710, 93724), (5420, 46862), (10840, 23431)]