65470000

素因数分解:

$2^4\times 5^4\times {\mathrm{6547}}^1$

素因数の和:6575

約数の個数: 50

約数和(自身を含む): 158533628

約数和(自身を除く): 93063628

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, 6547, 10000, 13094, 26188, 32735, 52376, 65470, 104752, 130940, 163675, 261880, 327350, 523760, 654700, 818375, 1309400, 1636750, 2618800, 3273500, 4091875, 6547000, 8183750, 13094000, 16367500, 32735000, 65470000]

約数ペア:

[(1, 65470000), (2, 32735000), (4, 16367500), (5, 13094000), (8, 8183750), (10, 6547000), (16, 4091875), (20, 3273500), (25, 2618800), (40, 1636750), (50, 1309400), (80, 818375), (100, 654700), (125, 523760), (200, 327350), (250, 261880), (400, 163675), (500, 130940), (625, 104752), (1000, 65470), (1250, 52376), (2000, 32735), (2500, 26188), (5000, 13094), (6547, 10000)]