16463920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 42666912

約数和(自身を除く): 26202992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 353, 424, 440, 530, 583, 706, 848, 880, 1060, 1166, 1412, 1765, 2120, 2332, 2824, 2915, 3530, 3883, 4240, 4664, 5648, 5830, 7060, 7766, 9328, 11660, 14120, 15532, 18709, 19415, 23320, 28240, 31064, 37418, 38830, 46640, 62128, 74836, 77660, 93545, 149672, 155320, 187090, 205799, 299344, 310640, 374180, 411598, 748360, 823196, 1028995, 1496720, 1646392, 2057990, 3292784, 4115980, 8231960, 16463920]

約数ペア:

[(1, 16463920), (2, 8231960), (4, 4115980), (5, 3292784), (8, 2057990), (10, 1646392), (11, 1496720), (16, 1028995), (20, 823196), (22, 748360), (40, 411598), (44, 374180), (53, 310640), (55, 299344), (80, 205799), (88, 187090), (106, 155320), (110, 149672), (176, 93545), (212, 77660), (220, 74836), (265, 62128), (353, 46640), (424, 38830), (440, 37418), (530, 31064), (583, 28240), (706, 23320), (848, 19415), (880, 18709), (1060, 15532), (1166, 14120), (1412, 11660), (1765, 9328), (2120, 7766), (2332, 7060), (2824, 5830), (2915, 5648), (3530, 4664), (3883, 4240)]