78330320

素因数分解:

$2^4\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1381}}^1$

素因数の和:2103

約数の個数: 40

約数和(自身を含む): 182506920

約数和(自身を除く): 104176600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 709, 1381, 1418, 2762, 2836, 3545, 5524, 5672, 6905, 7090, 11048, 11344, 13810, 14180, 22096, 27620, 28360, 55240, 56720, 110480, 979129, 1958258, 3916516, 4895645, 7833032, 9791290, 15666064, 19582580, 39165160, 78330320]

約数ペア:

[(1, 78330320), (2, 39165160), (4, 19582580), (5, 15666064), (8, 9791290), (10, 7833032), (16, 4895645), (20, 3916516), (40, 1958258), (80, 979129), (709, 110480), (1381, 56720), (1418, 55240), (2762, 28360), (2836, 27620), (3545, 22096), (5524, 14180), (5672, 13810), (6905, 11344), (7090, 11048)]