13305345280

素因数分解:

$2^8\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{10181}}^1$

素因数の和:11223

約数の個数: 72

約数和(自身を含む): 31904808264

約数和(自身を除く): 18599462984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1021, 1280, 2042, 4084, 5105, 8168, 10181, 10210, 16336, 20362, 20420, 32672, 40724, 40840, 50905, 65344, 81448, 81680, 101810, 130688, 162896, 163360, 203620, 261376, 325792, 326720, 407240, 651584, 653440, 814480, 1303168, 1306880, 1628960, 2606336, 3257920, 6515840, 10394801, 13031680, 20789602, 41579204, 51974005, 83158408, 103948010, 166316816, 207896020, 332633632, 415792040, 665267264, 831584080, 1330534528, 1663168160, 2661069056, 3326336320, 6652672640, 13305345280]

約数ペア:

[(1, 13305345280), (2, 6652672640), (4, 3326336320), (5, 2661069056), (8, 1663168160), (10, 1330534528), (16, 831584080), (20, 665267264), (32, 415792040), (40, 332633632), (64, 207896020), (80, 166316816), (128, 103948010), (160, 83158408), (256, 51974005), (320, 41579204), (640, 20789602), (1021, 13031680), (1280, 10394801), (2042, 6515840), (4084, 3257920), (5105, 2606336), (8168, 1628960), (10181, 1306880), (10210, 1303168), (16336, 814480), (20362, 653440), (20420, 651584), (32672, 407240), (40724, 326720), (40840, 325792), (50905, 261376), (65344, 203620), (81448, 163360), (81680, 162896), (101810, 130688)]