66440320

素因数分解:

$2^7\times 5^1\times {\mathrm{103813}}^1$

素因数の和:103832

約数の個数: 32

約数和(自身を含む): 158835420

約数和(自身を除く): 92395100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 103813, 207626, 415252, 519065, 830504, 1038130, 1661008, 2076260, 3322016, 4152520, 6644032, 8305040, 13288064, 16610080, 33220160, 66440320]

約数ペア:

[(1, 66440320), (2, 33220160), (4, 16610080), (5, 13288064), (8, 8305040), (10, 6644032), (16, 4152520), (20, 3322016), (32, 2076260), (40, 1661008), (64, 1038130), (80, 830504), (128, 519065), (160, 415252), (320, 207626), (640, 103813)]