8561218540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{19531}}^1$

素因数の和:19679

約数の個数: 96

約数和(自身を含む): 21420822528

約数和(自身を除く): 12859603988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 101, 124, 140, 155, 202, 217, 310, 404, 434, 505, 620, 707, 868, 1010, 1085, 1414, 2020, 2170, 2828, 3131, 3535, 4340, 6262, 7070, 12524, 14140, 15655, 19531, 21917, 31310, 39062, 43834, 62620, 78124, 87668, 97655, 109585, 136717, 195310, 219170, 273434, 390620, 438340, 546868, 605461, 683585, 1210922, 1367170, 1972631, 2421844, 2734340, 3027305, 3945262, 4238227, 6054610, 7890524, 8476454, 9863155, 12109220, 13808417, 16952908, 19726310, 21191135, 27616834, 39452620, 42382270, 55233668, 61151561, 69042085, 84764540, 122303122, 138084170, 244606244, 276168340, 305757805, 428060927, 611515610, 856121854, 1223031220, 1712243708, 2140304635, 4280609270, 8561218540]

約数ペア:

[(1, 8561218540), (2, 4280609270), (4, 2140304635), (5, 1712243708), (7, 1223031220), (10, 856121854), (14, 611515610), (20, 428060927), (28, 305757805), (31, 276168340), (35, 244606244), (62, 138084170), (70, 122303122), (101, 84764540), (124, 69042085), (140, 61151561), (155, 55233668), (202, 42382270), (217, 39452620), (310, 27616834), (404, 21191135), (434, 19726310), (505, 16952908), (620, 13808417), (707, 12109220), (868, 9863155), (1010, 8476454), (1085, 7890524), (1414, 6054610), (2020, 4238227), (2170, 3945262), (2828, 3027305), (3131, 2734340), (3535, 2421844), (4340, 1972631), (6262, 1367170), (7070, 1210922), (12524, 683585), (14140, 605461), (15655, 546868), (19531, 438340), (21917, 390620), (31310, 273434), (39062, 219170), (43834, 195310), (62620, 136717), (78124, 109585), (87668, 97655)]