90018575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2833}}^1$

素因数の和:2915

約数の個数: 24

約数和(自身を含む): 118075776

約数和(自身を除く): 28057201

約数列:

[1, 5, 25, 31, 41, 155, 205, 775, 1025, 1271, 2833, 6355, 14165, 31775, 70825, 87823, 116153, 439115, 580765, 2195575, 2903825, 3600743, 18003715, 90018575]

約数ペア:

[(1, 90018575), (5, 18003715), (25, 3600743), (31, 2903825), (41, 2195575), (155, 580765), (205, 439115), (775, 116153), (1025, 87823), (1271, 70825), (2833, 31775), (6355, 14165)]