2017319113025

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{32693}}^1$

素因数の和:33138

約数の個数: 48

約数和(自身を含む): 2562163392000

約数和(自身を除く): 544844278975

約数列:

[1, 5, 25, 79, 157, 199, 395, 785, 995, 1975, 3925, 4975, 12403, 15721, 31243, 32693, 62015, 78605, 156215, 163465, 310075, 393025, 781075, 817325, 2468197, 2582747, 5132801, 6505907, 12340985, 12913735, 25664005, 32529535, 61704925, 64568675, 128320025, 162647675, 405491279, 513966653, 1021427399, 2027456395, 2569833265, 5107136995, 10137281975, 12849166325, 25535684975, 80692764521, 403463822605, 2017319113025]

約数ペア:

[(1, 2017319113025), (5, 403463822605), (25, 80692764521), (79, 25535684975), (157, 12849166325), (199, 10137281975), (395, 5107136995), (785, 2569833265), (995, 2027456395), (1975, 1021427399), (3925, 513966653), (4975, 405491279), (12403, 162647675), (15721, 128320025), (31243, 64568675), (32693, 61704925), (62015, 32529535), (78605, 25664005), (156215, 12913735), (163465, 12340985), (310075, 6505907), (393025, 5132801), (781075, 2582747), (817325, 2468197)]