202180940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{777619}}^1$

素因数の和:777641

約数の個数: 24

約数和(自身を含む): 457240560

約数和(自身を除く): 255059620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 777619, 1555238, 3110476, 3888095, 7776190, 10109047, 15552380, 20218094, 40436188, 50545235, 101090470, 202180940]

約数ペア:

[(1, 202180940), (2, 101090470), (4, 50545235), (5, 40436188), (10, 20218094), (13, 15552380), (20, 10109047), (26, 7776190), (52, 3888095), (65, 3110476), (130, 1555238), (260, 777619)]