56890880

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:407

約数の個数: 80

約数和(自身を含む): 138767904

約数和(自身を除く): 81877024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 313, 320, 355, 512, 568, 626, 640, 710, 1136, 1252, 1280, 1420, 1565, 2272, 2504, 2560, 2840, 3130, 4544, 5008, 5680, 6260, 9088, 10016, 11360, 12520, 18176, 20032, 22223, 22720, 25040, 36352, 40064, 44446, 45440, 50080, 80128, 88892, 90880, 100160, 111115, 160256, 177784, 181760, 200320, 222230, 355568, 400640, 444460, 711136, 801280, 888920, 1422272, 1777840, 2844544, 3555680, 5689088, 7111360, 11378176, 14222720, 28445440, 56890880]

約数ペア:

[(1, 56890880), (2, 28445440), (4, 14222720), (5, 11378176), (8, 7111360), (10, 5689088), (16, 3555680), (20, 2844544), (32, 1777840), (40, 1422272), (64, 888920), (71, 801280), (80, 711136), (128, 444460), (142, 400640), (160, 355568), (256, 222230), (284, 200320), (313, 181760), (320, 177784), (355, 160256), (512, 111115), (568, 100160), (626, 90880), (640, 88892), (710, 80128), (1136, 50080), (1252, 45440), (1280, 44446), (1420, 40064), (1565, 36352), (2272, 25040), (2504, 22720), (2560, 22223), (2840, 20032), (3130, 18176), (4544, 12520), (5008, 11360), (5680, 10016), (6260, 9088)]