2019809920

素因数分解:

$2^7\times 5^1\times {\mathrm{373}}^1\times {\mathrm{8461}}^1$

素因数の和:8853

約数の個数: 64

約数和(自身を含む): 4842125640

約数和(自身を除く): 2822315720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 373, 640, 746, 1492, 1865, 2984, 3730, 5968, 7460, 8461, 11936, 14920, 16922, 23872, 29840, 33844, 42305, 47744, 59680, 67688, 84610, 119360, 135376, 169220, 238720, 270752, 338440, 541504, 676880, 1083008, 1353760, 2707520, 3155953, 5415040, 6311906, 12623812, 15779765, 25247624, 31559530, 50495248, 63119060, 100990496, 126238120, 201980992, 252476240, 403961984, 504952480, 1009904960, 2019809920]

約数ペア:

[(1, 2019809920), (2, 1009904960), (4, 504952480), (5, 403961984), (8, 252476240), (10, 201980992), (16, 126238120), (20, 100990496), (32, 63119060), (40, 50495248), (64, 31559530), (80, 25247624), (128, 15779765), (160, 12623812), (320, 6311906), (373, 5415040), (640, 3155953), (746, 2707520), (1492, 1353760), (1865, 1083008), (2984, 676880), (3730, 541504), (5968, 338440), (7460, 270752), (8461, 238720), (11936, 169220), (14920, 135376), (16922, 119360), (23872, 84610), (29840, 67688), (33844, 59680), (42305, 47744)]