23105920

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 56059200

約数和(自身を除く): 32953280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 457, 632, 640, 790, 914, 1264, 1580, 1828, 2285, 2528, 3160, 3656, 4570, 5056, 6320, 7312, 9140, 10112, 12640, 14624, 18280, 25280, 29248, 36103, 36560, 50560, 58496, 72206, 73120, 144412, 146240, 180515, 288824, 292480, 361030, 577648, 722060, 1155296, 1444120, 2310592, 2888240, 4621184, 5776480, 11552960, 23105920]

約数ペア:

[(1, 23105920), (2, 11552960), (4, 5776480), (5, 4621184), (8, 2888240), (10, 2310592), (16, 1444120), (20, 1155296), (32, 722060), (40, 577648), (64, 361030), (79, 292480), (80, 288824), (128, 180515), (158, 146240), (160, 144412), (316, 73120), (320, 72206), (395, 58496), (457, 50560), (632, 36560), (640, 36103), (790, 29248), (914, 25280), (1264, 18280), (1580, 14624), (1828, 12640), (2285, 10112), (2528, 9140), (3160, 7312), (3656, 6320), (4570, 5056)]