26872840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1861}}^1$

素因数の和:1910

約数の個数: 48

約数和(自身を含む): 63847980

約数和(自身を除く): 36975140

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 1861, 2888, 3610, 3722, 7220, 7444, 9305, 14440, 14888, 18610, 35359, 37220, 70718, 74440, 141436, 176795, 282872, 353590, 671821, 707180, 1343642, 1414360, 2687284, 3359105, 5374568, 6718210, 13436420, 26872840]

約数ペア:

[(1, 26872840), (2, 13436420), (4, 6718210), (5, 5374568), (8, 3359105), (10, 2687284), (19, 1414360), (20, 1343642), (38, 707180), (40, 671821), (76, 353590), (95, 282872), (152, 176795), (190, 141436), (361, 74440), (380, 70718), (722, 37220), (760, 35359), (1444, 18610), (1805, 14888), (1861, 14440), (2888, 9305), (3610, 7444), (3722, 7220)]