127988900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{98453}}^1$

素因数の和:98480

約数の個数: 36

約数和(自身を含む): 299103252

約数和(自身を除く): 171114352

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 98453, 196906, 393812, 492265, 984530, 1279889, 1969060, 2461325, 2559778, 4922650, 5119556, 6399445, 9845300, 12798890, 25597780, 31997225, 63994450, 127988900]

約数ペア:

[(1, 127988900), (2, 63994450), (4, 31997225), (5, 25597780), (10, 12798890), (13, 9845300), (20, 6399445), (25, 5119556), (26, 4922650), (50, 2559778), (52, 2461325), (65, 1969060), (100, 1279889), (130, 984530), (260, 492265), (325, 393812), (650, 196906), (1300, 98453)]