65177450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 131475960

約数和(自身を除く): 66298510

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 197, 325, 394, 509, 650, 985, 1018, 1970, 2545, 2561, 4925, 5090, 5122, 6617, 9850, 12725, 12805, 13234, 25450, 25610, 33085, 64025, 66170, 100273, 128050, 165425, 200546, 330850, 501365, 1002730, 1303549, 2506825, 2607098, 5013650, 6517745, 13035490, 32588725, 65177450]

約数ペア:

[(1, 65177450), (2, 32588725), (5, 13035490), (10, 6517745), (13, 5013650), (25, 2607098), (26, 2506825), (50, 1303549), (65, 1002730), (130, 501365), (197, 330850), (325, 200546), (394, 165425), (509, 128050), (650, 100273), (985, 66170), (1018, 64025), (1970, 33085), (2545, 25610), (2561, 25450), (4925, 13234), (5090, 12805), (5122, 12725), (6617, 9850)]