31599100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 74856320

約数和(自身を除く): 43257220

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 109, 130, 218, 223, 260, 325, 436, 446, 545, 650, 892, 1090, 1115, 1300, 1417, 2180, 2230, 2725, 2834, 2899, 4460, 5450, 5575, 5668, 5798, 7085, 10900, 11150, 11596, 14170, 14495, 22300, 24307, 28340, 28990, 35425, 48614, 57980, 70850, 72475, 97228, 121535, 141700, 144950, 243070, 289900, 315991, 486140, 607675, 631982, 1215350, 1263964, 1579955, 2430700, 3159910, 6319820, 7899775, 15799550, 31599100]

約数ペア:

[(1, 31599100), (2, 15799550), (4, 7899775), (5, 6319820), (10, 3159910), (13, 2430700), (20, 1579955), (25, 1263964), (26, 1215350), (50, 631982), (52, 607675), (65, 486140), (100, 315991), (109, 289900), (130, 243070), (218, 144950), (223, 141700), (260, 121535), (325, 97228), (436, 72475), (446, 70850), (545, 57980), (650, 48614), (892, 35425), (1090, 28990), (1115, 28340), (1300, 24307), (1417, 22300), (2180, 14495), (2230, 14170), (2725, 11596), (2834, 11150), (2899, 10900), (4460, 7085), (5450, 5798), (5575, 5668)]