87677804920

素因数分解:

$2^3\times 5^1\times {\mathrm{10357}}^1\times {\mathrm{211639}}^1$

素因数の和:222007

約数の個数: 32

約数和(自身を含む): 197295040800

約数和(自身を除く): 109617235880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10357, 20714, 41428, 51785, 82856, 103570, 207140, 211639, 414280, 423278, 846556, 1058195, 1693112, 2116390, 4232780, 8465560, 2191945123, 4383890246, 8767780492, 10959725615, 17535560984, 21919451230, 43838902460, 87677804920]

約数ペア:

[(1, 87677804920), (2, 43838902460), (4, 21919451230), (5, 17535560984), (8, 10959725615), (10, 8767780492), (20, 4383890246), (40, 2191945123), (10357, 8465560), (20714, 4232780), (41428, 2116390), (51785, 1693112), (82856, 1058195), (103570, 846556), (207140, 423278), (211639, 414280)]