42730000

素因数分解:

$2^4\times 5^4\times {\mathrm{4273}}^1$

素因数の和:4301

約数の個数: 50

約数和(自身を含む): 103477814

約数和(自身を除く): 60747814

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, 4273, 5000, 8546, 10000, 17092, 21365, 34184, 42730, 68368, 85460, 106825, 170920, 213650, 341840, 427300, 534125, 854600, 1068250, 1709200, 2136500, 2670625, 4273000, 5341250, 8546000, 10682500, 21365000, 42730000]

約数ペア:

[(1, 42730000), (2, 21365000), (4, 10682500), (5, 8546000), (8, 5341250), (10, 4273000), (16, 2670625), (20, 2136500), (25, 1709200), (40, 1068250), (50, 854600), (80, 534125), (100, 427300), (125, 341840), (200, 213650), (250, 170920), (400, 106825), (500, 85460), (625, 68368), (1000, 42730), (1250, 34184), (2000, 21365), (2500, 17092), (4273, 10000), (5000, 8546)]