25679780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 65329152

約数和(自身を除く): 39649372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 61, 62, 70, 97, 122, 124, 140, 155, 194, 217, 244, 305, 310, 388, 427, 434, 485, 610, 620, 679, 854, 868, 970, 1085, 1220, 1358, 1708, 1891, 1940, 2135, 2170, 2716, 3007, 3395, 3782, 4270, 4340, 5917, 6014, 6790, 7564, 8540, 9455, 11834, 12028, 13237, 13580, 15035, 18910, 21049, 23668, 26474, 29585, 30070, 37820, 41419, 42098, 52948, 59170, 60140, 66185, 82838, 84196, 105245, 118340, 132370, 165676, 183427, 207095, 210490, 264740, 366854, 414190, 420980, 733708, 828380, 917135, 1283989, 1834270, 2567978, 3668540, 5135956, 6419945, 12839890, 25679780]

約数ペア:

[(1, 25679780), (2, 12839890), (4, 6419945), (5, 5135956), (7, 3668540), (10, 2567978), (14, 1834270), (20, 1283989), (28, 917135), (31, 828380), (35, 733708), (61, 420980), (62, 414190), (70, 366854), (97, 264740), (122, 210490), (124, 207095), (140, 183427), (155, 165676), (194, 132370), (217, 118340), (244, 105245), (305, 84196), (310, 82838), (388, 66185), (427, 60140), (434, 59170), (485, 52948), (610, 42098), (620, 41419), (679, 37820), (854, 30070), (868, 29585), (970, 26474), (1085, 23668), (1220, 21049), (1358, 18910), (1708, 15035), (1891, 13580), (1940, 13237), (2135, 12028), (2170, 11834), (2716, 9455), (3007, 8540), (3395, 7564), (3782, 6790), (4270, 6014), (4340, 5917)]