40047920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2677}}^1$

素因数の和:2718

約数の個数: 80

約数和(自身を含む): 107591328

約数和(自身を除く): 67543408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2677, 2992, 3740, 5354, 7480, 10708, 13385, 14960, 21416, 26770, 29447, 42832, 45509, 53540, 58894, 91018, 107080, 117788, 147235, 182036, 214160, 227545, 235576, 294470, 364072, 455090, 471152, 500599, 588940, 728144, 910180, 1001198, 1177880, 1820360, 2002396, 2355760, 2502995, 3640720, 4004792, 5005990, 8009584, 10011980, 20023960, 40047920]

約数ペア:

[(1, 40047920), (2, 20023960), (4, 10011980), (5, 8009584), (8, 5005990), (10, 4004792), (11, 3640720), (16, 2502995), (17, 2355760), (20, 2002396), (22, 1820360), (34, 1177880), (40, 1001198), (44, 910180), (55, 728144), (68, 588940), (80, 500599), (85, 471152), (88, 455090), (110, 364072), (136, 294470), (170, 235576), (176, 227545), (187, 214160), (220, 182036), (272, 147235), (340, 117788), (374, 107080), (440, 91018), (680, 58894), (748, 53540), (880, 45509), (935, 42832), (1360, 29447), (1496, 26770), (1870, 21416), (2677, 14960), (2992, 13385), (3740, 10708), (5354, 7480)]