4940720

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:573

約数の個数: 40

約数和(自身を含む): 11591520

約数和(自身を除く): 6650800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 409, 604, 755, 818, 1208, 1510, 1636, 2045, 2416, 3020, 3272, 4090, 6040, 6544, 8180, 12080, 16360, 32720, 61759, 123518, 247036, 308795, 494072, 617590, 988144, 1235180, 2470360, 4940720]

約数ペア:

[(1, 4940720), (2, 2470360), (4, 1235180), (5, 988144), (8, 617590), (10, 494072), (16, 308795), (20, 247036), (40, 123518), (80, 61759), (151, 32720), (302, 16360), (409, 12080), (604, 8180), (755, 6544), (818, 6040), (1208, 4090), (1510, 3272), (1636, 3020), (2045, 2416)]