553660040

素因数分解:

$2^3\times 5^1\times {\mathrm{2621}}^1\times {\mathrm{5281}}^1$

素因数の和:7913

約数の個数: 32

約数和(自身を含む): 1246446360

約数和(自身を除く): 692786320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2621, 5242, 5281, 10484, 10562, 13105, 20968, 21124, 26210, 26405, 42248, 52420, 52810, 104840, 105620, 211240, 13841501, 27683002, 55366004, 69207505, 110732008, 138415010, 276830020, 553660040]

約数ペア:

[(1, 553660040), (2, 276830020), (4, 138415010), (5, 110732008), (8, 69207505), (10, 55366004), (20, 27683002), (40, 13841501), (2621, 211240), (5242, 105620), (5281, 104840), (10484, 52810), (10562, 52420), (13105, 42248), (20968, 26405), (21124, 26210)]