203477480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{71647}}^1$

素因数の和:71729

約数の個数: 32

約数和(自身を含む): 464279040

約数和(自身を除く): 260801560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 71647, 143294, 286588, 358235, 573176, 716470, 1432940, 2865880, 5086937, 10173874, 20347748, 25434685, 40695496, 50869370, 101738740, 203477480]

約数ペア:

[(1, 203477480), (2, 101738740), (4, 50869370), (5, 40695496), (8, 25434685), (10, 20347748), (20, 10173874), (40, 5086937), (71, 2865880), (142, 1432940), (284, 716470), (355, 573176), (568, 358235), (710, 286588), (1420, 143294), (2840, 71647)]