161515000

素因数分解:

$2^3\times 5^4\times {\mathrm{32303}}^1$

素因数の和:32329

約数の個数: 40

約数和(自身を含む): 378441360

約数和(自身を除く): 216926360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 32303, 64606, 129212, 161515, 258424, 323030, 646060, 807575, 1292120, 1615150, 3230300, 4037875, 6460600, 8075750, 16151500, 20189375, 32303000, 40378750, 80757500, 161515000]

約数ペア:

[(1, 161515000), (2, 80757500), (4, 40378750), (5, 32303000), (8, 20189375), (10, 16151500), (20, 8075750), (25, 6460600), (40, 4037875), (50, 3230300), (100, 1615150), (125, 1292120), (200, 807575), (250, 646060), (500, 323030), (625, 258424), (1000, 161515), (1250, 129212), (2500, 64606), (5000, 32303)]