31904240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23459}}^1$

素因数の和:23489

約数の個数: 40

約数和(自身を含む): 78544080

約数和(自身を除く): 46639840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 23459, 46918, 93836, 117295, 187672, 234590, 375344, 398803, 469180, 797606, 938360, 1595212, 1876720, 1994015, 3190424, 3988030, 6380848, 7976060, 15952120, 31904240]

約数ペア:

[(1, 31904240), (2, 15952120), (4, 7976060), (5, 6380848), (8, 3988030), (10, 3190424), (16, 1994015), (17, 1876720), (20, 1595212), (34, 938360), (40, 797606), (68, 469180), (80, 398803), (85, 375344), (136, 234590), (170, 187672), (272, 117295), (340, 93836), (680, 46918), (1360, 23459)]