28683880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19381}}^1$

素因数の和:19429

約数の個数: 32

約数和(自身を含む): 66286440

約数和(自身を除く): 37602560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 19381, 38762, 77524, 96905, 155048, 193810, 387620, 717097, 775240, 1434194, 2868388, 3585485, 5736776, 7170970, 14341940, 28683880]

約数ペア:

[(1, 28683880), (2, 14341940), (4, 7170970), (5, 5736776), (8, 3585485), (10, 2868388), (20, 1434194), (37, 775240), (40, 717097), (74, 387620), (148, 193810), (185, 155048), (296, 96905), (370, 77524), (740, 38762), (1480, 19381)]