68661760

素因数分解:

$2^9\times 5^1\times {\mathrm{26821}}^1$

素因数の和:26844

約数の個数: 40

約数和(自身を含む): 164633436

約数和(自身を除く): 95971676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 26821, 53642, 107284, 134105, 214568, 268210, 429136, 536420, 858272, 1072840, 1716544, 2145680, 3433088, 4291360, 6866176, 8582720, 13732352, 17165440, 34330880, 68661760]

約数ペア:

[(1, 68661760), (2, 34330880), (4, 17165440), (5, 13732352), (8, 8582720), (10, 6866176), (16, 4291360), (20, 3433088), (32, 2145680), (40, 1716544), (64, 1072840), (80, 858272), (128, 536420), (160, 429136), (256, 268210), (320, 214568), (512, 134105), (640, 107284), (1280, 53642), (2560, 26821)]