64730000

素因数分解:

$2^4\times 5^4\times {\mathrm{6473}}^1$

素因数の和:6501

約数の個数: 50

約数和(自身を含む): 156742014

約数和(自身を除く): 92012014

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 6473, 10000, 12946, 25892, 32365, 51784, 64730, 103568, 129460, 161825, 258920, 323650, 517840, 647300, 809125, 1294600, 1618250, 2589200, 3236500, 4045625, 6473000, 8091250, 12946000, 16182500, 32365000, 64730000]

約数ペア:

[(1, 64730000), (2, 32365000), (4, 16182500), (5, 12946000), (8, 8091250), (10, 6473000), (16, 4045625), (20, 3236500), (25, 2589200), (40, 1618250), (50, 1294600), (80, 809125), (100, 647300), (125, 517840), (200, 323650), (250, 258920), (400, 161825), (500, 129460), (625, 103568), (1000, 64730), (1250, 51784), (2000, 32365), (2500, 25892), (5000, 12946), (6473, 10000)]