89765720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{204013}}^1$

素因数の和:204035

約数の個数: 32

約数和(自身を含む): 220335120

約数和(自身を除く): 130569400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 204013, 408026, 816052, 1020065, 1632104, 2040130, 2244143, 4080260, 4488286, 8160520, 8976572, 11220715, 17953144, 22441430, 44882860, 89765720]

約数ペア:

[(1, 89765720), (2, 44882860), (4, 22441430), (5, 17953144), (8, 11220715), (10, 8976572), (11, 8160520), (20, 4488286), (22, 4080260), (40, 2244143), (44, 2040130), (55, 1632104), (88, 1020065), (110, 816052), (220, 408026), (440, 204013)]