18800725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 25498368

約数和(自身を除く): 6697643

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 1427, 2635, 7135, 13175, 24259, 35675, 44237, 121295, 221185, 606475, 752029, 1105925, 3760145, 18800725]

約数ペア:

[(1, 18800725), (5, 3760145), (17, 1105925), (25, 752029), (31, 606475), (85, 221185), (155, 121295), (425, 44237), (527, 35675), (775, 24259), (1427, 13175), (2635, 7135)]