16525520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 42586560

約数和(自身を除く): 26061040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 211, 220, 356, 422, 440, 445, 712, 844, 880, 890, 979, 1055, 1424, 1688, 1780, 1958, 2110, 2321, 3376, 3560, 3916, 4220, 4642, 4895, 7120, 7832, 8440, 9284, 9790, 11605, 15664, 16880, 18568, 18779, 19580, 23210, 37136, 37558, 39160, 46420, 75116, 78320, 92840, 93895, 150232, 185680, 187790, 206569, 300464, 375580, 413138, 751160, 826276, 1032845, 1502320, 1652552, 2065690, 3305104, 4131380, 8262760, 16525520]

約数ペア:

[(1, 16525520), (2, 8262760), (4, 4131380), (5, 3305104), (8, 2065690), (10, 1652552), (11, 1502320), (16, 1032845), (20, 826276), (22, 751160), (40, 413138), (44, 375580), (55, 300464), (80, 206569), (88, 187790), (89, 185680), (110, 150232), (176, 93895), (178, 92840), (211, 78320), (220, 75116), (356, 46420), (422, 39160), (440, 37558), (445, 37136), (712, 23210), (844, 19580), (880, 18779), (890, 18568), (979, 16880), (1055, 15664), (1424, 11605), (1688, 9790), (1780, 9284), (1958, 8440), (2110, 7832), (2321, 7120), (3376, 4895), (3560, 4642), (3916, 4220)]