31444480

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 80

約数和(自身を含む): 76896864

約数和(自身を除く): 45452384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 173, 256, 284, 320, 346, 355, 512, 568, 640, 692, 710, 865, 1136, 1280, 1384, 1420, 1730, 2272, 2560, 2768, 2840, 3460, 4544, 5536, 5680, 6920, 9088, 11072, 11360, 12283, 13840, 18176, 22144, 22720, 24566, 27680, 36352, 44288, 45440, 49132, 55360, 61415, 88576, 90880, 98264, 110720, 122830, 181760, 196528, 221440, 245660, 393056, 442880, 491320, 786112, 982640, 1572224, 1965280, 3144448, 3930560, 6288896, 7861120, 15722240, 31444480]

約数ペア:

[(1, 31444480), (2, 15722240), (4, 7861120), (5, 6288896), (8, 3930560), (10, 3144448), (16, 1965280), (20, 1572224), (32, 982640), (40, 786112), (64, 491320), (71, 442880), (80, 393056), (128, 245660), (142, 221440), (160, 196528), (173, 181760), (256, 122830), (284, 110720), (320, 98264), (346, 90880), (355, 88576), (512, 61415), (568, 55360), (640, 49132), (692, 45440), (710, 44288), (865, 36352), (1136, 27680), (1280, 24566), (1384, 22720), (1420, 22144), (1730, 18176), (2272, 13840), (2560, 12283), (2768, 11360), (2840, 11072), (3460, 9088), (4544, 6920), (5536, 5680)]