2000864560

素因数分解:

$2^4\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{12437}}^1$

素因数の和:14461

約数の個数: 40

約数和(自身を含む): 4654697616

約数和(自身を除く): 2653833056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2011, 4022, 8044, 10055, 12437, 16088, 20110, 24874, 32176, 40220, 49748, 62185, 80440, 99496, 124370, 160880, 198992, 248740, 497480, 994960, 25010807, 50021614, 100043228, 125054035, 200086456, 250108070, 400172912, 500216140, 1000432280, 2000864560]

約数ペア:

[(1, 2000864560), (2, 1000432280), (4, 500216140), (5, 400172912), (8, 250108070), (10, 200086456), (16, 125054035), (20, 100043228), (40, 50021614), (80, 25010807), (2011, 994960), (4022, 497480), (8044, 248740), (10055, 198992), (12437, 160880), (16088, 124370), (20110, 99496), (24874, 80440), (32176, 62185), (40220, 49748)]