64579450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1459

約数の個数: 48

約数和(自身を含む): 131225976

約数和(自身を除く): 66646526

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 73, 130, 146, 325, 365, 650, 730, 949, 1361, 1825, 1898, 2722, 3650, 4745, 6805, 9490, 13610, 17693, 23725, 34025, 35386, 47450, 68050, 88465, 99353, 176930, 198706, 442325, 496765, 884650, 993530, 1291589, 2483825, 2583178, 4967650, 6457945, 12915890, 32289725, 64579450]

約数ペア:

[(1, 64579450), (2, 32289725), (5, 12915890), (10, 6457945), (13, 4967650), (25, 2583178), (26, 2483825), (50, 1291589), (65, 993530), (73, 884650), (130, 496765), (146, 442325), (325, 198706), (365, 176930), (650, 99353), (730, 88465), (949, 68050), (1361, 47450), (1825, 35386), (1898, 34025), (2722, 23725), (3650, 17693), (4745, 13610), (6805, 9490)]