80709408

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21557}}^1$

素因数の和:21586

約数の個数: 72

約数和(自身を含む): 247184028

約数和(自身を除く): 166474620

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 21557, 43114, 64671, 86228, 129342, 172456, 194013, 258684, 280241, 344912, 388026, 517368, 560482, 689824, 776052, 840723, 1034736, 1120964, 1552104, 1681446, 2069472, 2241928, 2522169, 3104208, 3362892, 4483856, 5044338, 6208416, 6725784, 8967712, 10088676, 13451568, 20177352, 26903136, 40354704, 80709408]

約数ペア:

[(1, 80709408), (2, 40354704), (3, 26903136), (4, 20177352), (6, 13451568), (8, 10088676), (9, 8967712), (12, 6725784), (13, 6208416), (16, 5044338), (18, 4483856), (24, 3362892), (26, 3104208), (32, 2522169), (36, 2241928), (39, 2069472), (48, 1681446), (52, 1552104), (72, 1120964), (78, 1034736), (96, 840723), (104, 776052), (117, 689824), (144, 560482), (156, 517368), (208, 388026), (234, 344912), (288, 280241), (312, 258684), (416, 194013), (468, 172456), (624, 129342), (936, 86228), (1248, 64671), (1872, 43114), (3744, 21557)]