2010640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:667

約数の個数: 40

約数和(自身を含む): 4796568

約数和(自身を除く): 2785928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 613, 656, 820, 1226, 1640, 2452, 3065, 3280, 4904, 6130, 9808, 12260, 24520, 25133, 49040, 50266, 100532, 125665, 201064, 251330, 402128, 502660, 1005320, 2010640]

約数ペア:

[(1, 2010640), (2, 1005320), (4, 502660), (5, 402128), (8, 251330), (10, 201064), (16, 125665), (20, 100532), (40, 50266), (41, 49040), (80, 25133), (82, 24520), (164, 12260), (205, 9808), (328, 6130), (410, 4904), (613, 3280), (656, 3065), (820, 2452), (1226, 1640)]