90394880

素因数分解:

$2^8\times 5^1\times {\mathrm{70621}}^1$

素因数の和:70642

約数の個数: 36

約数和(自身を含む): 216527052

約数和(自身を除く): 126132172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 70621, 141242, 282484, 353105, 564968, 706210, 1129936, 1412420, 2259872, 2824840, 4519744, 5649680, 9039488, 11299360, 18078976, 22598720, 45197440, 90394880]

約数ペア:

[(1, 90394880), (2, 45197440), (4, 22598720), (5, 18078976), (8, 11299360), (10, 9039488), (16, 5649680), (20, 4519744), (32, 2824840), (40, 2259872), (64, 1412420), (80, 1129936), (128, 706210), (160, 564968), (256, 353105), (320, 282484), (640, 141242), (1280, 70621)]