17981120

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:777

約数の個数: 56

約数和(自身を含む): 43397424

約数和(自身を除く): 25416304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 677, 830, 1328, 1354, 1660, 2656, 2708, 3320, 3385, 5312, 5416, 6640, 6770, 10832, 13280, 13540, 21664, 26560, 27080, 43328, 54160, 56191, 108320, 112382, 216640, 224764, 280955, 449528, 561910, 899056, 1123820, 1798112, 2247640, 3596224, 4495280, 8990560, 17981120]

約数ペア:

[(1, 17981120), (2, 8990560), (4, 4495280), (5, 3596224), (8, 2247640), (10, 1798112), (16, 1123820), (20, 899056), (32, 561910), (40, 449528), (64, 280955), (80, 224764), (83, 216640), (160, 112382), (166, 108320), (320, 56191), (332, 54160), (415, 43328), (664, 27080), (677, 26560), (830, 21664), (1328, 13540), (1354, 13280), (1660, 10832), (2656, 6770), (2708, 6640), (3320, 5416), (3385, 5312)]