172016260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1579}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 390196800

約数和(自身を除く): 218180540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 419, 838, 1579, 1676, 2095, 3158, 4190, 5447, 6316, 7895, 8380, 10894, 15790, 20527, 21788, 27235, 31580, 41054, 54470, 82108, 102635, 108940, 205270, 410540, 661601, 1323202, 2646404, 3308005, 6616010, 8600813, 13232020, 17201626, 34403252, 43004065, 86008130, 172016260]

約数ペア:

[(1, 172016260), (2, 86008130), (4, 43004065), (5, 34403252), (10, 17201626), (13, 13232020), (20, 8600813), (26, 6616010), (52, 3308005), (65, 2646404), (130, 1323202), (260, 661601), (419, 410540), (838, 205270), (1579, 108940), (1676, 102635), (2095, 82108), (3158, 54470), (4190, 41054), (5447, 31580), (6316, 27235), (7895, 21788), (8380, 20527), (10894, 15790)]