165037240

素因数分解:

$2^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{4049}}^1$

素因数の和:5079

約数の個数: 32

約数和(自身を含む): 371790000

約数和(自身を除く): 206752760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1019, 2038, 4049, 4076, 5095, 8098, 8152, 10190, 16196, 20245, 20380, 32392, 40490, 40760, 80980, 161960, 4125931, 8251862, 16503724, 20629655, 33007448, 41259310, 82518620, 165037240]

約数ペア:

[(1, 165037240), (2, 82518620), (4, 41259310), (5, 33007448), (8, 20629655), (10, 16503724), (20, 8251862), (40, 4125931), (1019, 161960), (2038, 80980), (4049, 40760), (4076, 40490), (5095, 32392), (8098, 20380), (8152, 20245), (10190, 16196)]