12856540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1471}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 29675520

約数和(自身を除く): 16818980

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1471, 1748, 2185, 2942, 4370, 5884, 7355, 8740, 14710, 27949, 29420, 33833, 55898, 67666, 111796, 135332, 139745, 169165, 279490, 338330, 558980, 642827, 676660, 1285654, 2571308, 3214135, 6428270, 12856540]

約数ペア:

[(1, 12856540), (2, 6428270), (4, 3214135), (5, 2571308), (10, 1285654), (19, 676660), (20, 642827), (23, 558980), (38, 338330), (46, 279490), (76, 169165), (92, 139745), (95, 135332), (115, 111796), (190, 67666), (230, 55898), (380, 33833), (437, 29420), (460, 27949), (874, 14710), (1471, 8740), (1748, 7355), (2185, 5884), (2942, 4370)]