39886720

素因数分解:

$2^7\times 5^1\times {\mathrm{62323}}^1$

素因数の和:62342

約数の個数: 32

約数和(自身を含む): 95355720

約数和(自身を除く): 55469000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 62323, 124646, 249292, 311615, 498584, 623230, 997168, 1246460, 1994336, 2492920, 3988672, 4985840, 7977344, 9971680, 19943360, 39886720]

約数ペア:

[(1, 39886720), (2, 19943360), (4, 9971680), (5, 7977344), (8, 4985840), (10, 3988672), (16, 2492920), (20, 1994336), (32, 1246460), (40, 997168), (64, 623230), (80, 498584), (128, 311615), (160, 249292), (320, 124646), (640, 62323)]