129202450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1009}}^1$

素因数の和:1231

約数の個数: 48

約数和(自身を含む): 260373960

約数和(自身を除く): 131171510

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 197, 325, 394, 650, 985, 1009, 1970, 2018, 2561, 4925, 5045, 5122, 9850, 10090, 12805, 13117, 25225, 25610, 26234, 50450, 64025, 65585, 128050, 131170, 198773, 327925, 397546, 655850, 993865, 1987730, 2584049, 4969325, 5168098, 9938650, 12920245, 25840490, 64601225, 129202450]

約数ペア:

[(1, 129202450), (2, 64601225), (5, 25840490), (10, 12920245), (13, 9938650), (25, 5168098), (26, 4969325), (50, 2584049), (65, 1987730), (130, 993865), (197, 655850), (325, 397546), (394, 327925), (650, 198773), (985, 131170), (1009, 128050), (1970, 65585), (2018, 64025), (2561, 50450), (4925, 26234), (5045, 25610), (5122, 25225), (9850, 13117), (10090, 12805)]