18000302720

素因数分解:

$2^7\times 5^1\times {\mathrm{28125473}}^1$

素因数の和:28125492

約数の個数: 32

約数和(自身を含む): 43031975220

約数和(自身を除く): 25031672500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28125473, 56250946, 112501892, 140627365, 225003784, 281254730, 450007568, 562509460, 900015136, 1125018920, 1800030272, 2250037840, 3600060544, 4500075680, 9000151360, 18000302720]

約数ペア:

[(1, 18000302720), (2, 9000151360), (4, 4500075680), (5, 3600060544), (8, 2250037840), (10, 1800030272), (16, 1125018920), (20, 900015136), (32, 562509460), (40, 450007568), (64, 281254730), (80, 225003784), (128, 140627365), (160, 112501892), (320, 56250946), (640, 28125473)]