40278974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 66044160

約数和(自身を除く): 25765186

約数列:

[1, 2, 19, 38, 41, 82, 103, 206, 251, 502, 779, 1558, 1957, 3914, 4223, 4769, 8446, 9538, 10291, 20582, 25853, 51706, 80237, 160474, 195529, 391058, 491207, 982414, 1059973, 2119946, 20139487, 40278974]

約数ペア:

[(1, 40278974), (2, 20139487), (19, 2119946), (38, 1059973), (41, 982414), (82, 491207), (103, 391058), (206, 195529), (251, 160474), (502, 80237), (779, 51706), (1558, 25853), (1957, 20582), (3914, 10291), (4223, 9538), (4769, 8446)]