25180760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 62380800

約数和(自身を除く): 37200040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 220, 302, 379, 440, 604, 755, 758, 1208, 1510, 1516, 1661, 1895, 3020, 3032, 3322, 3790, 4169, 6040, 6644, 7580, 8305, 8338, 13288, 15160, 16610, 16676, 20845, 33220, 33352, 41690, 57229, 66440, 83380, 114458, 166760, 228916, 286145, 457832, 572290, 629519, 1144580, 1259038, 2289160, 2518076, 3147595, 5036152, 6295190, 12590380, 25180760]

約数ペア:

[(1, 25180760), (2, 12590380), (4, 6295190), (5, 5036152), (8, 3147595), (10, 2518076), (11, 2289160), (20, 1259038), (22, 1144580), (40, 629519), (44, 572290), (55, 457832), (88, 286145), (110, 228916), (151, 166760), (220, 114458), (302, 83380), (379, 66440), (440, 57229), (604, 41690), (755, 33352), (758, 33220), (1208, 20845), (1510, 16676), (1516, 16610), (1661, 15160), (1895, 13288), (3020, 8338), (3032, 8305), (3322, 7580), (3790, 6644), (4169, 6040)]