8997950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 18332160

約数和(自身を除く): 9334210

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 109, 127, 130, 218, 254, 325, 545, 635, 650, 1090, 1270, 1417, 1651, 2725, 2834, 3175, 3302, 5450, 6350, 7085, 8255, 13843, 14170, 16510, 27686, 35425, 41275, 69215, 70850, 82550, 138430, 179959, 346075, 359918, 692150, 899795, 1799590, 4498975, 8997950]

約数ペア:

[(1, 8997950), (2, 4498975), (5, 1799590), (10, 899795), (13, 692150), (25, 359918), (26, 346075), (50, 179959), (65, 138430), (109, 82550), (127, 70850), (130, 69215), (218, 41275), (254, 35425), (325, 27686), (545, 16510), (635, 14170), (650, 13843), (1090, 8255), (1270, 7085), (1417, 6350), (1651, 5450), (2725, 3302), (2834, 3175)]