51943450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 104915160

約数和(自身を除く): 52971710

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 157, 314, 325, 509, 650, 785, 1018, 1570, 2041, 2545, 3925, 4082, 5090, 6617, 7850, 10205, 12725, 13234, 20410, 25450, 33085, 51025, 66170, 79913, 102050, 159826, 165425, 330850, 399565, 799130, 1038869, 1997825, 2077738, 3995650, 5194345, 10388690, 25971725, 51943450]

約数ペア:

[(1, 51943450), (2, 25971725), (5, 10388690), (10, 5194345), (13, 3995650), (25, 2077738), (26, 1997825), (50, 1038869), (65, 799130), (130, 399565), (157, 330850), (314, 165425), (325, 159826), (509, 102050), (650, 79913), (785, 66170), (1018, 51025), (1570, 33085), (2041, 25450), (2545, 20410), (3925, 13234), (4082, 12725), (5090, 10205), (6617, 7850)]