125908880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25801}}^1$

素因数の和:25875

約数の個数: 40

約数和(自身を含む): 297548664

約数和(自身を除く): 171639784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 25801, 51602, 103204, 129005, 206408, 258010, 412816, 516020, 1032040, 1573861, 2064080, 3147722, 6295444, 7869305, 12590888, 15738610, 25181776, 31477220, 62954440, 125908880]

約数ペア:

[(1, 125908880), (2, 62954440), (4, 31477220), (5, 25181776), (8, 15738610), (10, 12590888), (16, 7869305), (20, 6295444), (40, 3147722), (61, 2064080), (80, 1573861), (122, 1032040), (244, 516020), (305, 412816), (488, 258010), (610, 206408), (976, 129005), (1220, 103204), (2440, 51602), (4880, 25801)]