26778880

素因数分解:

$2^8\times 5^1\times {\mathrm{20921}}^1$

素因数の和:20942

約数の個数: 36

約数和(自身を含む): 64146852

約数和(自身を除く): 37367972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 20921, 41842, 83684, 104605, 167368, 209210, 334736, 418420, 669472, 836840, 1338944, 1673680, 2677888, 3347360, 5355776, 6694720, 13389440, 26778880]

約数ペア:

[(1, 26778880), (2, 13389440), (4, 6694720), (5, 5355776), (8, 3347360), (10, 2677888), (16, 1673680), (20, 1338944), (32, 836840), (40, 669472), (64, 418420), (80, 334736), (128, 209210), (160, 167368), (256, 104605), (320, 83684), (640, 41842), (1280, 20921)]