71967740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8929}}^1$

素因数の和:8982

約数の個数: 48

約数和(自身を含む): 168026880

約数和(自身を除く): 96059140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 8929, 17858, 35716, 44645, 89290, 116077, 178580, 232154, 276799, 464308, 553598, 580385, 1107196, 1160770, 1383995, 2321540, 2767990, 3598387, 5535980, 7196774, 14393548, 17991935, 35983870, 71967740]

約数ペア:

[(1, 71967740), (2, 35983870), (4, 17991935), (5, 14393548), (10, 7196774), (13, 5535980), (20, 3598387), (26, 2767990), (31, 2321540), (52, 1383995), (62, 1160770), (65, 1107196), (124, 580385), (130, 553598), (155, 464308), (260, 276799), (310, 232154), (403, 178580), (620, 116077), (806, 89290), (1612, 44645), (2015, 35716), (4030, 17858), (8060, 8929)]