8901206500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{225347}}^1$

素因数の和:225445

約数の個数: 48

約数和(自身を含む): 19686401280

約数和(自身を除く): 10785194780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 790, 1580, 1975, 3950, 7900, 9875, 19750, 39500, 225347, 450694, 901388, 1126735, 2253470, 4506940, 5633675, 11267350, 17802413, 22534700, 28168375, 35604826, 56336750, 71209652, 89012065, 112673500, 178024130, 356048260, 445060325, 890120650, 1780241300, 2225301625, 4450603250, 8901206500]

約数ペア:

[(1, 8901206500), (2, 4450603250), (4, 2225301625), (5, 1780241300), (10, 890120650), (20, 445060325), (25, 356048260), (50, 178024130), (79, 112673500), (100, 89012065), (125, 71209652), (158, 56336750), (250, 35604826), (316, 28168375), (395, 22534700), (500, 17802413), (790, 11267350), (1580, 5633675), (1975, 4506940), (3950, 2253470), (7900, 1126735), (9875, 901388), (19750, 450694), (39500, 225347)]