89980760

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{13003}}^1$

素因数の和:13187

約数の個数: 32

約数和(自身を含む): 203642640

約数和(自身を除く): 113661880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 13003, 26006, 52012, 65015, 104024, 130030, 260060, 520120, 2249519, 4499038, 8998076, 11247595, 17996152, 22495190, 44990380, 89980760]

約数ペア:

[(1, 89980760), (2, 44990380), (4, 22495190), (5, 17996152), (8, 11247595), (10, 8998076), (20, 4499038), (40, 2249519), (173, 520120), (346, 260060), (692, 130030), (865, 104024), (1384, 65015), (1730, 52012), (3460, 26006), (6920, 13003)]