90231220

素因数分解:

$2^2\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{2797}}^1$

素因数の和:4419

約数の個数: 24

約数和(自身を含む): 189670824

約数和(自身を除く): 99439604

約数列:

[1, 2, 4, 5, 10, 20, 1613, 2797, 3226, 5594, 6452, 8065, 11188, 13985, 16130, 27970, 32260, 55940, 4511561, 9023122, 18046244, 22557805, 45115610, 90231220]

約数ペア:

[(1, 90231220), (2, 45115610), (4, 22557805), (5, 18046244), (10, 9023122), (20, 4511561), (1613, 55940), (2797, 32260), (3226, 27970), (5594, 16130), (6452, 13985), (8065, 11188)]