88440280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53927}}^1$

素因数の和:53979

約数の個数: 32

約数和(自身を含む): 203847840

約数和(自身を除く): 115407560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 53927, 107854, 215708, 269635, 431416, 539270, 1078540, 2157080, 2211007, 4422014, 8844028, 11055035, 17688056, 22110070, 44220140, 88440280]

約数ペア:

[(1, 88440280), (2, 44220140), (4, 22110070), (5, 17688056), (8, 11055035), (10, 8844028), (20, 4422014), (40, 2211007), (41, 2157080), (82, 1078540), (164, 539270), (205, 431416), (328, 269635), (410, 215708), (820, 107854), (1640, 53927)]