80918480

素因数分解:

$2^4\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1753}}^1$

素因数の和:2343

約数の個数: 40

約数和(自身を含む): 188569032

約数和(自身を除く): 107650552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 577, 1154, 1753, 2308, 2885, 3506, 4616, 5770, 7012, 8765, 9232, 11540, 14024, 17530, 23080, 28048, 35060, 46160, 70120, 140240, 1011481, 2022962, 4045924, 5057405, 8091848, 10114810, 16183696, 20229620, 40459240, 80918480]

約数ペア:

[(1, 80918480), (2, 40459240), (4, 20229620), (5, 16183696), (8, 10114810), (10, 8091848), (16, 5057405), (20, 4045924), (40, 2022962), (80, 1011481), (577, 140240), (1154, 70120), (1753, 46160), (2308, 35060), (2885, 28048), (3506, 23080), (4616, 17530), (5770, 14024), (7012, 11540), (8765, 9232)]