66981640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{152231}}^1$

素因数の和:152253

約数の個数: 32

約数和(自身を含む): 164410560

約数和(自身を除く): 97428920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 152231, 304462, 608924, 761155, 1217848, 1522310, 1674541, 3044620, 3349082, 6089240, 6698164, 8372705, 13396328, 16745410, 33490820, 66981640]

約数ペア:

[(1, 66981640), (2, 33490820), (4, 16745410), (5, 13396328), (8, 8372705), (10, 6698164), (11, 6089240), (20, 3349082), (22, 3044620), (40, 1674541), (44, 1522310), (55, 1217848), (88, 761155), (110, 608924), (220, 304462), (440, 152231)]