80737240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22679}}^1$

素因数の和:22779

約数の個数: 32

約数和(自身を含む): 183708000

約数和(自身を除く): 102970760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 22679, 45358, 90716, 113395, 181432, 226790, 453580, 907160, 2018431, 4036862, 8073724, 10092155, 16147448, 20184310, 40368620, 80737240]

約数ペア:

[(1, 80737240), (2, 40368620), (4, 20184310), (5, 16147448), (8, 10092155), (10, 8073724), (20, 4036862), (40, 2018431), (89, 907160), (178, 453580), (356, 226790), (445, 181432), (712, 113395), (890, 90716), (1780, 45358), (3560, 22679)]