77237320

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{2039}}^1$

素因数の和:2997

約数の個数: 32

約数和(自身を含む): 174052800

約数和(自身を除く): 96815480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1894, 2039, 3788, 4078, 4735, 7576, 8156, 9470, 10195, 16312, 18940, 20390, 37880, 40780, 81560, 1930933, 3861866, 7723732, 9654665, 15447464, 19309330, 38618660, 77237320]

約数ペア:

[(1, 77237320), (2, 38618660), (4, 19309330), (5, 15447464), (8, 9654665), (10, 7723732), (20, 3861866), (40, 1930933), (947, 81560), (1894, 40780), (2039, 37880), (3788, 20390), (4078, 18940), (4735, 16312), (7576, 10195), (8156, 9470)]