2019969625

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{3221}}^1$

素因数の和:3438

約数の個数: 32

約数和(自身を含む): 2623739040

約数和(自身を除く): 603769415

約数列:

[1, 5, 25, 29, 125, 145, 173, 725, 865, 3221, 3625, 4325, 5017, 16105, 21625, 25085, 80525, 93409, 125425, 402625, 467045, 557233, 627125, 2335225, 2786165, 11676125, 13930825, 16159757, 69654125, 80798785, 403993925, 2019969625]

約数ペア:

[(1, 2019969625), (5, 403993925), (25, 80798785), (29, 69654125), (125, 16159757), (145, 13930825), (173, 11676125), (725, 2786165), (865, 2335225), (3221, 627125), (3625, 557233), (4325, 467045), (5017, 402625), (16105, 125425), (21625, 93409), (25085, 80525)]