788006920

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{150383}}^1$

素因数の和:150525

約数の個数: 32

約数和(自身を含む): 1786561920

約数和(自身を除く): 998555000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 150383, 300766, 601532, 751915, 1203064, 1503830, 3007660, 6015320, 19700173, 39400346, 78800692, 98500865, 157601384, 197001730, 394003460, 788006920]

約数ペア:

[(1, 788006920), (2, 394003460), (4, 197001730), (5, 157601384), (8, 98500865), (10, 78800692), (20, 39400346), (40, 19700173), (131, 6015320), (262, 3007660), (524, 1503830), (655, 1203064), (1048, 751915), (1310, 601532), (2620, 300766), (5240, 150383)]