1004080405000

素因数分解:

$2^3\times 5^4\times {\mathrm{200816081}}^1$

素因数の和:200816107

約数の個数: 40

約数和(自身を含む): 2352560400630

約数和(自身を除く): 1348479995630

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 200816081, 401632162, 803264324, 1004080405, 1606528648, 2008160810, 4016321620, 5020402025, 8032643240, 10040804050, 20081608100, 25102010125, 40163216200, 50204020250, 100408040500, 125510050625, 200816081000, 251020101250, 502040202500, 1004080405000]

約数ペア:

[(1, 1004080405000), (2, 502040202500), (4, 251020101250), (5, 200816081000), (8, 125510050625), (10, 100408040500), (20, 50204020250), (25, 40163216200), (40, 25102010125), (50, 20081608100), (100, 10040804050), (125, 8032643240), (200, 5020402025), (250, 4016321620), (500, 2008160810), (625, 1606528648), (1000, 1004080405), (1250, 803264324), (2500, 401632162), (5000, 200816081)]