71950000

素因数分解:

$2^4\times 5^5\times {\mathrm{1439}}^1$

素因数の和:1472

約数の個数: 60

約数和(自身を含む): 174363840

約数和(自身を除く): 102413840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1439, 2000, 2500, 2878, 3125, 5000, 5756, 6250, 7195, 10000, 11512, 12500, 14390, 23024, 25000, 28780, 35975, 50000, 57560, 71950, 115120, 143900, 179875, 287800, 359750, 575600, 719500, 899375, 1439000, 1798750, 2878000, 3597500, 4496875, 7195000, 8993750, 14390000, 17987500, 35975000, 71950000]

約数ペア:

[(1, 71950000), (2, 35975000), (4, 17987500), (5, 14390000), (8, 8993750), (10, 7195000), (16, 4496875), (20, 3597500), (25, 2878000), (40, 1798750), (50, 1439000), (80, 899375), (100, 719500), (125, 575600), (200, 359750), (250, 287800), (400, 179875), (500, 143900), (625, 115120), (1000, 71950), (1250, 57560), (1439, 50000), (2000, 35975), (2500, 28780), (2878, 25000), (3125, 23024), (5000, 14390), (5756, 12500), (6250, 11512), (7195, 10000)]