155515025

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 196862400

約数和(自身を除く): 41347375

約数列:

[1, 5, 25, 83, 149, 415, 503, 745, 2075, 2515, 3725, 12367, 12575, 41749, 61835, 74947, 208745, 309175, 374735, 1043725, 1873675, 6220601, 31103005, 155515025]

約数ペア:

[(1, 155515025), (5, 31103005), (25, 6220601), (83, 1873675), (149, 1043725), (415, 374735), (503, 309175), (745, 208745), (2075, 74947), (2515, 61835), (3725, 41749), (12367, 12575)]