22887880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7243}}^1$

素因数の和:7333

約数の個数: 32

約数和(自身を含む): 52156800

約数和(自身を除く): 29268920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 7243, 14486, 28972, 36215, 57944, 72430, 144860, 289720, 572197, 1144394, 2288788, 2860985, 4577576, 5721970, 11443940, 22887880]

約数ペア:

[(1, 22887880), (2, 11443940), (4, 5721970), (5, 4577576), (8, 2860985), (10, 2288788), (20, 1144394), (40, 572197), (79, 289720), (158, 144860), (316, 72430), (395, 57944), (632, 36215), (790, 28972), (1580, 14486), (3160, 7243)]