408057130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{19993}}^1$

素因数の和:20170

約数の個数: 32

約数和(自身を含む): 796081104

約数和(自身を除く): 388023974

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 2041, 4082, 10205, 19993, 20410, 39986, 99965, 199930, 259909, 519818, 1299545, 2599090, 3138901, 6277802, 15694505, 31389010, 40805713, 81611426, 204028565, 408057130]

約数ペア:

[(1, 408057130), (2, 204028565), (5, 81611426), (10, 40805713), (13, 31389010), (26, 15694505), (65, 6277802), (130, 3138901), (157, 2599090), (314, 1299545), (785, 519818), (1570, 259909), (2041, 199930), (4082, 99965), (10205, 39986), (19993, 20410)]