28695520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25621}}^1$

素因数の和:25643

約数の個数: 48

約数和(自身を含む): 77480928

約数和(自身を除く): 48785408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25621, 51242, 102484, 128105, 179347, 204968, 256210, 358694, 409936, 512420, 717388, 819872, 896735, 1024840, 1434776, 1793470, 2049680, 2869552, 3586940, 4099360, 5739104, 7173880, 14347760, 28695520]

約数ペア:

[(1, 28695520), (2, 14347760), (4, 7173880), (5, 5739104), (7, 4099360), (8, 3586940), (10, 2869552), (14, 2049680), (16, 1793470), (20, 1434776), (28, 1024840), (32, 896735), (35, 819872), (40, 717388), (56, 512420), (70, 409936), (80, 358694), (112, 256210), (140, 204968), (160, 179347), (224, 128105), (280, 102484), (560, 51242), (1120, 25621)]