157668880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115933}}^1$

素因数の和:115963

約数の個数: 40

約数和(自身を含む): 388147032

約数和(自身を除く): 230478152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 115933, 231866, 463732, 579665, 927464, 1159330, 1854928, 1970861, 2318660, 3941722, 4637320, 7883444, 9274640, 9854305, 15766888, 19708610, 31533776, 39417220, 78834440, 157668880]

約数ペア:

[(1, 157668880), (2, 78834440), (4, 39417220), (5, 31533776), (8, 19708610), (10, 15766888), (16, 9854305), (17, 9274640), (20, 7883444), (34, 4637320), (40, 3941722), (68, 2318660), (80, 1970861), (85, 1854928), (136, 1159330), (170, 927464), (272, 579665), (340, 463732), (680, 231866), (1360, 115933)]