87784240

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10067}}^1$

素因数の和:10189

約数の個数: 40

約数和(自身を含む): 205991280

約数和(自身を除く): 118207040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 10067, 20134, 40268, 50335, 80536, 100670, 161072, 201340, 402680, 805360, 1097303, 2194606, 4389212, 5486515, 8778424, 10973030, 17556848, 21946060, 43892120, 87784240]

約数ペア:

[(1, 87784240), (2, 43892120), (4, 21946060), (5, 17556848), (8, 10973030), (10, 8778424), (16, 5486515), (20, 4389212), (40, 2194606), (80, 1097303), (109, 805360), (218, 402680), (436, 201340), (545, 161072), (872, 100670), (1090, 80536), (1744, 50335), (2180, 40268), (4360, 20134), (8720, 10067)]