1987120

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 4709520

約数和(自身を除く): 2722400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 421, 472, 590, 842, 944, 1180, 1684, 2105, 2360, 3368, 4210, 4720, 6736, 8420, 16840, 24839, 33680, 49678, 99356, 124195, 198712, 248390, 397424, 496780, 993560, 1987120]

約数ペア:

[(1, 1987120), (2, 993560), (4, 496780), (5, 397424), (8, 248390), (10, 198712), (16, 124195), (20, 99356), (40, 49678), (59, 33680), (80, 24839), (118, 16840), (236, 8420), (295, 6736), (421, 4720), (472, 4210), (590, 3368), (842, 2360), (944, 2105), (1180, 1684)]