77364920

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{6883}}^1$

素因数の和:7175

約数の個数: 32

約数和(自身を含む): 174715920

約数和(自身を除く): 97351000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 6883, 11240, 13766, 27532, 34415, 55064, 68830, 137660, 275320, 1934123, 3868246, 7736492, 9670615, 15472984, 19341230, 38682460, 77364920]

約数ペア:

[(1, 77364920), (2, 38682460), (4, 19341230), (5, 15472984), (8, 9670615), (10, 7736492), (20, 3868246), (40, 1934123), (281, 275320), (562, 137660), (1124, 68830), (1405, 55064), (2248, 34415), (2810, 27532), (5620, 13766), (6883, 11240)]