12668221880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16668713}}^1$

素因数の和:16668743

約数の個数: 32

約数和(自身を含む): 30003685200

約数和(自身を除く): 17335463320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 16668713, 33337426, 66674852, 83343565, 133349704, 166687130, 316705547, 333374260, 633411094, 666748520, 1266822188, 1583527735, 2533644376, 3167055470, 6334110940, 12668221880]

約数ペア:

[(1, 12668221880), (2, 6334110940), (4, 3167055470), (5, 2533644376), (8, 1583527735), (10, 1266822188), (19, 666748520), (20, 633411094), (38, 333374260), (40, 316705547), (76, 166687130), (95, 133349704), (152, 83343565), (190, 66674852), (380, 33337426), (760, 16668713)]