28753420

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9521}}^1$

素因数の和:9681

約数の個数: 24

約数和(自身を含む): 60788448

約数和(自身を除く): 32035028

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 9521, 19042, 38084, 47605, 95210, 190420, 1437671, 2875342, 5750684, 7188355, 14376710, 28753420]

約数ペア:

[(1, 28753420), (2, 14376710), (4, 7188355), (5, 5750684), (10, 2875342), (20, 1437671), (151, 190420), (302, 95210), (604, 47605), (755, 38084), (1510, 19042), (3020, 9521)]