26504380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 66062304

約数和(自身を除く): 39557924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 197, 217, 310, 394, 434, 620, 788, 868, 961, 985, 1085, 1379, 1922, 1970, 2170, 2758, 3844, 3940, 4340, 4805, 5516, 6107, 6727, 6895, 9610, 12214, 13454, 13790, 19220, 24428, 26908, 27580, 30535, 33635, 42749, 61070, 67270, 85498, 122140, 134540, 170996, 189317, 213745, 378634, 427490, 757268, 854980, 946585, 1325219, 1893170, 2650438, 3786340, 5300876, 6626095, 13252190, 26504380]

約数ペア:

[(1, 26504380), (2, 13252190), (4, 6626095), (5, 5300876), (7, 3786340), (10, 2650438), (14, 1893170), (20, 1325219), (28, 946585), (31, 854980), (35, 757268), (62, 427490), (70, 378634), (124, 213745), (140, 189317), (155, 170996), (197, 134540), (217, 122140), (310, 85498), (394, 67270), (434, 61070), (620, 42749), (788, 33635), (868, 30535), (961, 27580), (985, 26908), (1085, 24428), (1379, 19220), (1922, 13790), (1970, 13454), (2170, 12214), (2758, 9610), (3844, 6895), (3940, 6727), (4340, 6107), (4805, 5516)]