8203280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 60

約数和(自身を含む): 19869636

約数和(自身を除く): 11666356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 61, 80, 82, 122, 164, 205, 244, 305, 328, 410, 488, 610, 656, 820, 976, 1220, 1640, 1681, 2440, 2501, 3280, 3362, 4880, 5002, 6724, 8405, 10004, 12505, 13448, 16810, 20008, 25010, 26896, 33620, 40016, 50020, 67240, 100040, 102541, 134480, 200080, 205082, 410164, 512705, 820328, 1025410, 1640656, 2050820, 4101640, 8203280]

約数ペア:

[(1, 8203280), (2, 4101640), (4, 2050820), (5, 1640656), (8, 1025410), (10, 820328), (16, 512705), (20, 410164), (40, 205082), (41, 200080), (61, 134480), (80, 102541), (82, 100040), (122, 67240), (164, 50020), (205, 40016), (244, 33620), (305, 26896), (328, 25010), (410, 20008), (488, 16810), (610, 13448), (656, 12505), (820, 10004), (976, 8405), (1220, 6724), (1640, 5002), (1681, 4880), (2440, 3362), (2501, 3280)]