20125430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1039}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 19186570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1039, 1490, 1937, 2078, 3874, 5195, 9685, 10390, 13507, 19370, 27014, 67535, 135070, 154811, 309622, 774055, 1548110, 2012543, 4025086, 10062715, 20125430]

約数ペア:

[(1, 20125430), (2, 10062715), (5, 4025086), (10, 2012543), (13, 1548110), (26, 774055), (65, 309622), (130, 154811), (149, 135070), (298, 67535), (745, 27014), (1039, 19370), (1490, 13507), (1937, 10390), (2078, 9685), (3874, 5195)]