161342800

素因数分解:

$2^4\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1607}}^1$

素因数の和:1876

約数の個数: 60

約数和(自身を含む): 389412576

約数和(自身を除く): 228069776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 251, 400, 502, 1004, 1255, 1607, 2008, 2510, 3214, 4016, 5020, 6275, 6428, 8035, 10040, 12550, 12856, 16070, 20080, 25100, 25712, 32140, 40175, 50200, 64280, 80350, 100400, 128560, 160700, 321400, 403357, 642800, 806714, 1613428, 2016785, 3226856, 4033570, 6453712, 8067140, 10083925, 16134280, 20167850, 32268560, 40335700, 80671400, 161342800]

約数ペア:

[(1, 161342800), (2, 80671400), (4, 40335700), (5, 32268560), (8, 20167850), (10, 16134280), (16, 10083925), (20, 8067140), (25, 6453712), (40, 4033570), (50, 3226856), (80, 2016785), (100, 1613428), (200, 806714), (251, 642800), (400, 403357), (502, 321400), (1004, 160700), (1255, 128560), (1607, 100400), (2008, 80350), (2510, 64280), (3214, 50200), (4016, 40175), (5020, 32140), (6275, 25712), (6428, 25100), (8035, 20080), (10040, 16070), (12550, 12856)]