88789720

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{2153}}^1$

素因数の和:3195

約数の個数: 32

約数和(自身を含む): 200063520

約数和(自身を除く): 111273800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 2062, 2153, 4124, 4306, 5155, 8248, 8612, 10310, 10765, 17224, 20620, 21530, 41240, 43060, 86120, 2219743, 4439486, 8878972, 11098715, 17757944, 22197430, 44394860, 88789720]

約数ペア:

[(1, 88789720), (2, 44394860), (4, 22197430), (5, 17757944), (8, 11098715), (10, 8878972), (20, 4439486), (40, 2219743), (1031, 86120), (2062, 43060), (2153, 41240), (4124, 21530), (4306, 20620), (5155, 17224), (8248, 10765), (8612, 10310)]