163816280

素因数分解:

$2^3\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{2539}}^1$

素因数の和:4163

約数の個数: 32

約数和(自身を含む): 368960400

約数和(自身を除く): 205144120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1613, 2539, 3226, 5078, 6452, 8065, 10156, 12695, 12904, 16130, 20312, 25390, 32260, 50780, 64520, 101560, 4095407, 8190814, 16381628, 20477035, 32763256, 40954070, 81908140, 163816280]

約数ペア:

[(1, 163816280), (2, 81908140), (4, 40954070), (5, 32763256), (8, 20477035), (10, 16381628), (20, 8190814), (40, 4095407), (1613, 101560), (2539, 64520), (3226, 50780), (5078, 32260), (6452, 25390), (8065, 20312), (10156, 16130), (12695, 12904)]