68404960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32887}}^1$

素因数の和:32915

約数の個数: 48

約数和(自身を含む): 174043296

約数和(自身を除く): 105638336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 32887, 65774, 131548, 164435, 263096, 328870, 427531, 526192, 657740, 855062, 1052384, 1315480, 1710124, 2137655, 2630960, 3420248, 4275310, 5261920, 6840496, 8550620, 13680992, 17101240, 34202480, 68404960]

約数ペア:

[(1, 68404960), (2, 34202480), (4, 17101240), (5, 13680992), (8, 8550620), (10, 6840496), (13, 5261920), (16, 4275310), (20, 3420248), (26, 2630960), (32, 2137655), (40, 1710124), (52, 1315480), (65, 1052384), (80, 855062), (104, 657740), (130, 526192), (160, 427531), (208, 328870), (260, 263096), (416, 164435), (520, 131548), (1040, 65774), (2080, 32887)]