89030320

素因数分解:

$2^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1949}}^1$

素因数の和:2533

約数の個数: 40

約数和(自身を含む): 207464400

約数和(自身を除く): 118434080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 571, 1142, 1949, 2284, 2855, 3898, 4568, 5710, 7796, 9136, 9745, 11420, 15592, 19490, 22840, 31184, 38980, 45680, 77960, 155920, 1112879, 2225758, 4451516, 5564395, 8903032, 11128790, 17806064, 22257580, 44515160, 89030320]

約数ペア:

[(1, 89030320), (2, 44515160), (4, 22257580), (5, 17806064), (8, 11128790), (10, 8903032), (16, 5564395), (20, 4451516), (40, 2225758), (80, 1112879), (571, 155920), (1142, 77960), (1949, 45680), (2284, 38980), (2855, 31184), (3898, 22840), (4568, 19490), (5710, 15592), (7796, 11420), (9136, 9745)]