220180025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{3547}}^1$

素因数の和:3761

約数の個数: 24

約数和(自身を含む): 295647744

約数和(自身を除く): 75467719

約数列:

[1, 5, 13, 25, 65, 191, 325, 955, 2483, 3547, 4775, 12415, 17735, 46111, 62075, 88675, 230555, 677477, 1152775, 3387385, 8807201, 16936925, 44036005, 220180025]

約数ペア:

[(1, 220180025), (5, 44036005), (13, 16936925), (25, 8807201), (65, 3387385), (191, 1152775), (325, 677477), (955, 230555), (2483, 88675), (3547, 62075), (4775, 46111), (12415, 17735)]