25223220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12739}}^1$

素因数の和:12765

約数の個数: 72

約数和(自身を含む): 83472480

約数和(自身を除く): 58249260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 12739, 25478, 38217, 50956, 63695, 76434, 114651, 127390, 140129, 152868, 191085, 229302, 254780, 280258, 382170, 420387, 458604, 560516, 573255, 700645, 764340, 840774, 1146510, 1261161, 1401290, 1681548, 2101935, 2293020, 2522322, 2802580, 4203870, 5044644, 6305805, 8407740, 12611610, 25223220]

約数ペア:

[(1, 25223220), (2, 12611610), (3, 8407740), (4, 6305805), (5, 5044644), (6, 4203870), (9, 2802580), (10, 2522322), (11, 2293020), (12, 2101935), (15, 1681548), (18, 1401290), (20, 1261161), (22, 1146510), (30, 840774), (33, 764340), (36, 700645), (44, 573255), (45, 560516), (55, 458604), (60, 420387), (66, 382170), (90, 280258), (99, 254780), (110, 229302), (132, 191085), (165, 152868), (180, 140129), (198, 127390), (220, 114651), (330, 76434), (396, 63695), (495, 50956), (660, 38217), (990, 25478), (1980, 12739)]