22388440

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1613}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 50550480

約数和(自身を除く): 28162040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1613, 1735, 2776, 3226, 3470, 6452, 6940, 8065, 12904, 13880, 16130, 32260, 64520, 559711, 1119422, 2238844, 2798555, 4477688, 5597110, 11194220, 22388440]

約数ペア:

[(1, 22388440), (2, 11194220), (4, 5597110), (5, 4477688), (8, 2798555), (10, 2238844), (20, 1119422), (40, 559711), (347, 64520), (694, 32260), (1388, 16130), (1613, 13880), (1735, 12904), (2776, 8065), (3226, 6940), (3470, 6452)]