81014775260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{386927}}^1$

素因数の和:387003

約数の個数: 72

約数和(自身を含む): 185748655680

約数和(自身を除く): 104733880420

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 361, 380, 551, 580, 722, 1102, 1444, 1805, 2204, 2755, 3610, 5510, 7220, 10469, 11020, 20938, 41876, 52345, 104690, 209380, 386927, 773854, 1547708, 1934635, 3869270, 7351613, 7738540, 11220883, 14703226, 22441766, 29406452, 36758065, 44883532, 56104415, 73516130, 112208830, 139680647, 147032260, 213196777, 224417660, 279361294, 426393554, 558722588, 698403235, 852787108, 1065983885, 1396806470, 2131967770, 2793612940, 4050738763, 4263935540, 8101477526, 16202955052, 20253693815, 40507387630, 81014775260]

約数ペア:

[(1, 81014775260), (2, 40507387630), (4, 20253693815), (5, 16202955052), (10, 8101477526), (19, 4263935540), (20, 4050738763), (29, 2793612940), (38, 2131967770), (58, 1396806470), (76, 1065983885), (95, 852787108), (116, 698403235), (145, 558722588), (190, 426393554), (290, 279361294), (361, 224417660), (380, 213196777), (551, 147032260), (580, 139680647), (722, 112208830), (1102, 73516130), (1444, 56104415), (1805, 44883532), (2204, 36758065), (2755, 29406452), (3610, 22441766), (5510, 14703226), (7220, 11220883), (10469, 7738540), (11020, 7351613), (20938, 3869270), (41876, 1934635), (52345, 1547708), (104690, 773854), (209380, 386927)]