65616400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4001}}^1$

素因数の和:4060

約数の個数: 60

約数和(自身を含む): 161528724

約数和(自身を除く): 95912324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4001, 4100, 8002, 8200, 16004, 16400, 20005, 32008, 40010, 64016, 80020, 100025, 160040, 164041, 200050, 320080, 328082, 400100, 656164, 800200, 820205, 1312328, 1600400, 1640410, 2624656, 3280820, 4101025, 6561640, 8202050, 13123280, 16404100, 32808200, 65616400]

約数ペア:

[(1, 65616400), (2, 32808200), (4, 16404100), (5, 13123280), (8, 8202050), (10, 6561640), (16, 4101025), (20, 3280820), (25, 2624656), (40, 1640410), (41, 1600400), (50, 1312328), (80, 820205), (82, 800200), (100, 656164), (164, 400100), (200, 328082), (205, 320080), (328, 200050), (400, 164041), (410, 160040), (656, 100025), (820, 80020), (1025, 64016), (1640, 40010), (2050, 32008), (3280, 20005), (4001, 16400), (4100, 16004), (8002, 8200)]