40030000

素因数分解:

$2^4\times 5^4\times {\mathrm{4003}}^1$

素因数の和:4031

約数の個数: 50

約数和(自身を含む): 96940844

約数和(自身を除く): 56910844

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, 4003, 5000, 8006, 10000, 16012, 20015, 32024, 40030, 64048, 80060, 100075, 160120, 200150, 320240, 400300, 500375, 800600, 1000750, 1601200, 2001500, 2501875, 4003000, 5003750, 8006000, 10007500, 20015000, 40030000]

約数ペア:

[(1, 40030000), (2, 20015000), (4, 10007500), (5, 8006000), (8, 5003750), (10, 4003000), (16, 2501875), (20, 2001500), (25, 1601200), (40, 1000750), (50, 800600), (80, 500375), (100, 400300), (125, 320240), (200, 200150), (250, 160120), (400, 100075), (500, 80060), (625, 64048), (1000, 40030), (1250, 32024), (2000, 20015), (2500, 16012), (4003, 10000), (5000, 8006)]