56464640

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1475

約数の個数: 72

約数和(自身を含む): 139711488

約数和(自身を除く): 83246848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1423, 1984, 2480, 2846, 3968, 4960, 5692, 7115, 7936, 9920, 11384, 14230, 19840, 22768, 28460, 39680, 44113, 45536, 56920, 88226, 91072, 113840, 176452, 182144, 220565, 227680, 352904, 364288, 441130, 455360, 705808, 882260, 910720, 1411616, 1764520, 1821440, 2823232, 3529040, 5646464, 7058080, 11292928, 14116160, 28232320, 56464640]

約数ペア:

[(1, 56464640), (2, 28232320), (4, 14116160), (5, 11292928), (8, 7058080), (10, 5646464), (16, 3529040), (20, 2823232), (31, 1821440), (32, 1764520), (40, 1411616), (62, 910720), (64, 882260), (80, 705808), (124, 455360), (128, 441130), (155, 364288), (160, 352904), (248, 227680), (256, 220565), (310, 182144), (320, 176452), (496, 113840), (620, 91072), (640, 88226), (992, 56920), (1240, 45536), (1280, 44113), (1423, 39680), (1984, 28460), (2480, 22768), (2846, 19840), (3968, 14230), (4960, 11384), (5692, 9920), (7115, 7936)]