8414920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2963}}^1$

素因数の和:3045

約数の個数: 32

約数和(自身を含む): 19206720

約数和(自身を除く): 10791800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 2963, 5926, 11852, 14815, 23704, 29630, 59260, 118520, 210373, 420746, 841492, 1051865, 1682984, 2103730, 4207460, 8414920]

約数ペア:

[(1, 8414920), (2, 4207460), (4, 2103730), (5, 1682984), (8, 1051865), (10, 841492), (20, 420746), (40, 210373), (71, 118520), (142, 59260), (284, 29630), (355, 23704), (568, 14815), (710, 11852), (1420, 5926), (2840, 2963)]