12987079250

素因数分解:

$2^1\times 5^3\times {\mathrm{157}}^1\times {\mathrm{409}}^1\times {\mathrm{809}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 24556802400

約数和(自身を除く): 11569723150

約数列:

[1, 2, 5, 10, 25, 50, 125, 157, 250, 314, 409, 785, 809, 818, 1570, 1618, 2045, 3925, 4045, 4090, 7850, 8090, 10225, 19625, 20225, 20450, 39250, 40450, 51125, 64213, 101125, 102250, 127013, 128426, 202250, 254026, 321065, 330881, 635065, 642130, 661762, 1270130, 1605325, 1654405, 3175325, 3210650, 3308810, 6350650, 8026625, 8272025, 15876625, 16053250, 16544050, 31753250, 41360125, 51948317, 82720250, 103896634, 259741585, 519483170, 1298707925, 2597415850, 6493539625, 12987079250]

約数ペア:

[(1, 12987079250), (2, 6493539625), (5, 2597415850), (10, 1298707925), (25, 519483170), (50, 259741585), (125, 103896634), (157, 82720250), (250, 51948317), (314, 41360125), (409, 31753250), (785, 16544050), (809, 16053250), (818, 15876625), (1570, 8272025), (1618, 8026625), (2045, 6350650), (3925, 3308810), (4045, 3210650), (4090, 3175325), (7850, 1654405), (8090, 1605325), (10225, 1270130), (19625, 661762), (20225, 642130), (20450, 635065), (39250, 330881), (40450, 321065), (51125, 254026), (64213, 202250), (101125, 128426), (102250, 127013)]