165650120

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{6563}}^1$

素因数の和:7205

約数の個数: 32

約数和(自身を含む): 373360320

約数和(自身を除く): 207710200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 6310, 6563, 12620, 13126, 25240, 26252, 32815, 52504, 65630, 131260, 262520, 4141253, 8282506, 16565012, 20706265, 33130024, 41412530, 82825060, 165650120]

約数ペア:

[(1, 165650120), (2, 82825060), (4, 41412530), (5, 33130024), (8, 20706265), (10, 16565012), (20, 8282506), (40, 4141253), (631, 262520), (1262, 131260), (2524, 65630), (3155, 52504), (5048, 32815), (6310, 26252), (6563, 25240), (12620, 13126)]