28619840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5261}}^1$

素因数の和:5295

約数の個数: 56

約数和(自身を含む): 72173592

約数和(自身を除く): 43553752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5261, 5440, 10522, 21044, 26305, 42088, 52610, 84176, 89437, 105220, 168352, 178874, 210440, 336704, 357748, 420880, 447185, 715496, 841760, 894370, 1430992, 1683520, 1788740, 2861984, 3577480, 5723968, 7154960, 14309920, 28619840]

約数ペア:

[(1, 28619840), (2, 14309920), (4, 7154960), (5, 5723968), (8, 3577480), (10, 2861984), (16, 1788740), (17, 1683520), (20, 1430992), (32, 894370), (34, 841760), (40, 715496), (64, 447185), (68, 420880), (80, 357748), (85, 336704), (136, 210440), (160, 178874), (170, 168352), (272, 105220), (320, 89437), (340, 84176), (544, 52610), (680, 42088), (1088, 26305), (1360, 21044), (2720, 10522), (5261, 5440)]