22687760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6917}}^1$

素因数の和:6971

約数の個数: 40

約数和(自身を含む): 54043416

約数和(自身を除く): 31355656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 6917, 13834, 27668, 34585, 55336, 69170, 110672, 138340, 276680, 283597, 553360, 567194, 1134388, 1417985, 2268776, 2835970, 4537552, 5671940, 11343880, 22687760]

約数ペア:

[(1, 22687760), (2, 11343880), (4, 5671940), (5, 4537552), (8, 2835970), (10, 2268776), (16, 1417985), (20, 1134388), (40, 567194), (41, 553360), (80, 283597), (82, 276680), (164, 138340), (205, 110672), (328, 69170), (410, 55336), (656, 34585), (820, 27668), (1640, 13834), (3280, 6917)]