128342000

素因数分解:

$2^4\times 5^3\times {\mathrm{64171}}^1$

素因数の和:64194

約数の個数: 40

約数和(自身を含む): 310335792

約数和(自身を除く): 181993792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 64171, 128342, 256684, 320855, 513368, 641710, 1026736, 1283420, 1604275, 2566840, 3208550, 5133680, 6417100, 8021375, 12834200, 16042750, 25668400, 32085500, 64171000, 128342000]

約数ペア:

[(1, 128342000), (2, 64171000), (4, 32085500), (5, 25668400), (8, 16042750), (10, 12834200), (16, 8021375), (20, 6417100), (25, 5133680), (40, 3208550), (50, 2566840), (80, 1604275), (100, 1283420), (125, 1026736), (200, 641710), (250, 513368), (400, 320855), (500, 256684), (1000, 128342), (2000, 64171)]