40048390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 80015040

約数和(自身を除く): 39966650

約数列:

[1, 2, 5, 10, 19, 38, 41, 53, 82, 95, 97, 106, 190, 194, 205, 265, 410, 485, 530, 779, 970, 1007, 1558, 1843, 2014, 2173, 3686, 3895, 3977, 4346, 5035, 5141, 7790, 7954, 9215, 10070, 10282, 10865, 18430, 19885, 21730, 25705, 39770, 41287, 51410, 75563, 82574, 97679, 151126, 195358, 206435, 210781, 377815, 412870, 421562, 488395, 755630, 976790, 1053905, 2107810, 4004839, 8009678, 20024195, 40048390]

約数ペア:

[(1, 40048390), (2, 20024195), (5, 8009678), (10, 4004839), (19, 2107810), (38, 1053905), (41, 976790), (53, 755630), (82, 488395), (95, 421562), (97, 412870), (106, 377815), (190, 210781), (194, 206435), (205, 195358), (265, 151126), (410, 97679), (485, 82574), (530, 75563), (779, 51410), (970, 41287), (1007, 39770), (1558, 25705), (1843, 21730), (2014, 19885), (2173, 18430), (3686, 10865), (3895, 10282), (3977, 10070), (4346, 9215), (5035, 7954), (5141, 7790)]