165712040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{318677}}^1$

素因数の和:318701

約数の個数: 32

約数和(自身を含む): 401534280

約数和(自身を除く): 235822240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 318677, 637354, 1274708, 1593385, 2549416, 3186770, 4142801, 6373540, 8285602, 12747080, 16571204, 20714005, 33142408, 41428010, 82856020, 165712040]

約数ペア:

[(1, 165712040), (2, 82856020), (4, 41428010), (5, 33142408), (8, 20714005), (10, 16571204), (13, 12747080), (20, 8285602), (26, 6373540), (40, 4142801), (52, 3186770), (65, 2549416), (104, 1593385), (130, 1274708), (260, 637354), (520, 318677)]