15691940720

素因数分解:

$2^4\times 5^1\times {\mathrm{196149259}}^1$

素因数の和:196149272

約数の個数: 20

約数和(自身を含む): 36483762360

約数和(自身を除く): 20791821640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 196149259, 392298518, 784597036, 980746295, 1569194072, 1961492590, 3138388144, 3922985180, 7845970360, 15691940720]

約数ペア:

[(1, 15691940720), (2, 7845970360), (4, 3922985180), (5, 3138388144), (8, 1961492590), (10, 1569194072), (16, 980746295), (20, 784597036), (40, 392298518), (80, 196149259)]