5290640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1613}}^1$

素因数の和:1667

約数の個数: 40

約数和(自身を含む): 12608568

約数和(自身を除く): 7317928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1613, 1640, 3226, 3280, 6452, 8065, 12904, 16130, 25808, 32260, 64520, 66133, 129040, 132266, 264532, 330665, 529064, 661330, 1058128, 1322660, 2645320, 5290640]

約数ペア:

[(1, 5290640), (2, 2645320), (4, 1322660), (5, 1058128), (8, 661330), (10, 529064), (16, 330665), (20, 264532), (40, 132266), (41, 129040), (80, 66133), (82, 64520), (164, 32260), (205, 25808), (328, 16130), (410, 12904), (656, 8065), (820, 6452), (1613, 3280), (1640, 3226)]