80683520

素因数分解:

$2^9\times 5^1\times {\mathrm{31517}}^1$

素因数の和:31540

約数の個数: 40

約数和(自身を含む): 193457484

約数和(自身を除く): 112773964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 31517, 63034, 126068, 157585, 252136, 315170, 504272, 630340, 1008544, 1260680, 2017088, 2521360, 4034176, 5042720, 8068352, 10085440, 16136704, 20170880, 40341760, 80683520]

約数ペア:

[(1, 80683520), (2, 40341760), (4, 20170880), (5, 16136704), (8, 10085440), (10, 8068352), (16, 5042720), (20, 4034176), (32, 2521360), (40, 2017088), (64, 1260680), (80, 1008544), (128, 630340), (160, 504272), (256, 315170), (320, 252136), (512, 157585), (640, 126068), (1280, 63034), (2560, 31517)]