1661444440

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{63029}}^1$

素因数の和:63699

約数の個数: 32

約数和(自身を含む): 3743982000

約数和(自身を除く): 2082537560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 6590, 13180, 26360, 63029, 126058, 252116, 315145, 504232, 630290, 1260580, 2521160, 41536111, 83072222, 166144444, 207680555, 332288888, 415361110, 830722220, 1661444440]

約数ペア:

[(1, 1661444440), (2, 830722220), (4, 415361110), (5, 332288888), (8, 207680555), (10, 166144444), (20, 83072222), (40, 41536111), (659, 2521160), (1318, 1260580), (2636, 630290), (3295, 504232), (5272, 315145), (6590, 252116), (13180, 126058), (26360, 63029)]