25358720

素因数分解:

$2^7\times 5^1\times {\mathrm{39623}}^1$

素因数の和:39642

約数の個数: 32

約数和(自身を含む): 60624720

約数和(自身を除く): 35266000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 39623, 79246, 158492, 198115, 316984, 396230, 633968, 792460, 1267936, 1584920, 2535872, 3169840, 5071744, 6339680, 12679360, 25358720]

約数ペア:

[(1, 25358720), (2, 12679360), (4, 6339680), (5, 5071744), (8, 3169840), (10, 2535872), (16, 1584920), (20, 1267936), (32, 792460), (40, 633968), (64, 396230), (80, 316984), (128, 198115), (160, 158492), (320, 79246), (640, 39623)]