6664136720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2031749}}^1$

素因数の和:2031803

約数の個数: 40

約数和(自身を含む): 15872031000

約数和(自身を除く): 9207894280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 2031749, 4063498, 8126996, 10158745, 16253992, 20317490, 32507984, 40634980, 81269960, 83301709, 162539920, 166603418, 333206836, 416508545, 666413672, 833017090, 1332827344, 1666034180, 3332068360, 6664136720]

約数ペア:

[(1, 6664136720), (2, 3332068360), (4, 1666034180), (5, 1332827344), (8, 833017090), (10, 666413672), (16, 416508545), (20, 333206836), (40, 166603418), (41, 162539920), (80, 83301709), (82, 81269960), (164, 40634980), (205, 32507984), (328, 20317490), (410, 16253992), (656, 10158745), (820, 8126996), (1640, 4063498), (3280, 2031749)]