91712080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{27961}}^1$

素因数の和:28015

約数の個数: 40

約数和(自身を含む): 218439144

約数和(自身を除く): 126727064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 27961, 55922, 111844, 139805, 223688, 279610, 447376, 559220, 1118440, 1146401, 2236880, 2292802, 4585604, 5732005, 9171208, 11464010, 18342416, 22928020, 45856040, 91712080]

約数ペア:

[(1, 91712080), (2, 45856040), (4, 22928020), (5, 18342416), (8, 11464010), (10, 9171208), (16, 5732005), (20, 4585604), (40, 2292802), (41, 2236880), (80, 1146401), (82, 1118440), (164, 559220), (205, 447376), (328, 279610), (410, 223688), (656, 139805), (820, 111844), (1640, 55922), (3280, 27961)]