9881440

素因数分解:

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

素因数の和:575

約数の個数: 48

約数和(自身を含む): 23556960

約数和(自身を除く): 13675520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 151, 160, 302, 409, 604, 755, 818, 1208, 1510, 1636, 2045, 2416, 3020, 3272, 4090, 4832, 6040, 6544, 8180, 12080, 13088, 16360, 24160, 32720, 61759, 65440, 123518, 247036, 308795, 494072, 617590, 988144, 1235180, 1976288, 2470360, 4940720, 9881440]

約数ペア:

[(1, 9881440), (2, 4940720), (4, 2470360), (5, 1976288), (8, 1235180), (10, 988144), (16, 617590), (20, 494072), (32, 308795), (40, 247036), (80, 123518), (151, 65440), (160, 61759), (302, 32720), (409, 24160), (604, 16360), (755, 13088), (818, 12080), (1208, 8180), (1510, 6544), (1636, 6040), (2045, 4832), (2416, 4090), (3020, 3272)]