27811680880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8479171}}^1$

素因数の和:8479225

約数の個数: 40

約数和(自身を含む): 66239291664

約数和(自身を除く): 38427610784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 8479171, 16958342, 33916684, 42395855, 67833368, 84791710, 135666736, 169583420, 339166840, 347646011, 678333680, 695292022, 1390584044, 1738230055, 2781168088, 3476460110, 5562336176, 6952920220, 13905840440, 27811680880]

約数ペア:

[(1, 27811680880), (2, 13905840440), (4, 6952920220), (5, 5562336176), (8, 3476460110), (10, 2781168088), (16, 1738230055), (20, 1390584044), (40, 695292022), (41, 678333680), (80, 347646011), (82, 339166840), (164, 169583420), (205, 135666736), (328, 84791710), (410, 67833368), (656, 42395855), (820, 33916684), (1640, 16958342), (3280, 8479171)]