130620040

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{11621}}^1$

素因数の和:11913

約数の個数: 32

約数和(自身を含む): 294966360

約数和(自身を除く): 164346320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 11621, 23242, 46484, 58105, 92968, 116210, 232420, 464840, 3265501, 6531002, 13062004, 16327505, 26124008, 32655010, 65310020, 130620040]

約数ペア:

[(1, 130620040), (2, 65310020), (4, 32655010), (5, 26124008), (8, 16327505), (10, 13062004), (20, 6531002), (40, 3265501), (281, 464840), (562, 232420), (1124, 116210), (1405, 92968), (2248, 58105), (2810, 46484), (5620, 23242), (11240, 11621)]