38228720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11113}}^1$

素因数の和:11169

約数の個数: 40

約数和(自身を含む): 90956976

約数和(自身を除く): 52728256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 11113, 22226, 44452, 55565, 88904, 111130, 177808, 222260, 444520, 477859, 889040, 955718, 1911436, 2389295, 3822872, 4778590, 7645744, 9557180, 19114360, 38228720]

約数ペア:

[(1, 38228720), (2, 19114360), (4, 9557180), (5, 7645744), (8, 4778590), (10, 3822872), (16, 2389295), (20, 1911436), (40, 955718), (43, 889040), (80, 477859), (86, 444520), (172, 222260), (215, 177808), (344, 111130), (430, 88904), (688, 55565), (860, 44452), (1720, 22226), (3440, 11113)]