100040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 32

約数和(自身を含む): 234360

約数和(自身を除く): 134320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 244, 305, 328, 410, 488, 610, 820, 1220, 1640, 2440, 2501, 5002, 10004, 12505, 20008, 25010, 50020, 100040]

約数ペア:

[(1, 100040), (2, 50020), (4, 25010), (5, 20008), (8, 12505), (10, 10004), (20, 5002), (40, 2501), (41, 2440), (61, 1640), (82, 1220), (122, 820), (164, 610), (205, 488), (244, 410), (305, 328)]