40866904

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 83931120

約数和(自身を除く): 43064216

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 167, 169, 181, 334, 338, 362, 668, 676, 724, 1336, 1352, 1448, 2171, 2353, 4342, 4706, 8684, 9412, 17368, 18824, 28223, 30227, 30589, 56446, 60454, 61178, 112892, 120908, 122356, 225784, 241816, 244712, 392951, 785902, 1571804, 3143608, 5108363, 10216726, 20433452, 40866904]

約数ペア:

[(1, 40866904), (2, 20433452), (4, 10216726), (8, 5108363), (13, 3143608), (26, 1571804), (52, 785902), (104, 392951), (167, 244712), (169, 241816), (181, 225784), (334, 122356), (338, 120908), (362, 112892), (668, 61178), (676, 60454), (724, 56446), (1336, 30589), (1352, 30227), (1448, 28223), (2171, 18824), (2353, 17368), (4342, 9412), (4706, 8684)]