18140480

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1$

素因数の和:783

約数の個数: 56

約数和(自身を含む): 43781472

約数和(自身を除く): 25640992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 683, 830, 1328, 1366, 1660, 2656, 2732, 3320, 3415, 5312, 5464, 6640, 6830, 10928, 13280, 13660, 21856, 26560, 27320, 43712, 54640, 56689, 109280, 113378, 218560, 226756, 283445, 453512, 566890, 907024, 1133780, 1814048, 2267560, 3628096, 4535120, 9070240, 18140480]

約数ペア:

[(1, 18140480), (2, 9070240), (4, 4535120), (5, 3628096), (8, 2267560), (10, 1814048), (16, 1133780), (20, 907024), (32, 566890), (40, 453512), (64, 283445), (80, 226756), (83, 218560), (160, 113378), (166, 109280), (320, 56689), (332, 54640), (415, 43712), (664, 27320), (683, 26560), (830, 21856), (1328, 13660), (1366, 13280), (1660, 10928), (2656, 6830), (2732, 6640), (3320, 5464), (3415, 5312)]