40647560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 96206400

約数和(自身を除く): 55558840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 67, 116, 134, 145, 232, 268, 290, 335, 523, 536, 580, 670, 1046, 1160, 1340, 1943, 2092, 2615, 2680, 3886, 4184, 5230, 7772, 9715, 10460, 15167, 15544, 19430, 20920, 30334, 35041, 38860, 60668, 70082, 75835, 77720, 121336, 140164, 151670, 175205, 280328, 303340, 350410, 606680, 700820, 1016189, 1401640, 2032378, 4064756, 5080945, 8129512, 10161890, 20323780, 40647560]

約数ペア:

[(1, 40647560), (2, 20323780), (4, 10161890), (5, 8129512), (8, 5080945), (10, 4064756), (20, 2032378), (29, 1401640), (40, 1016189), (58, 700820), (67, 606680), (116, 350410), (134, 303340), (145, 280328), (232, 175205), (268, 151670), (290, 140164), (335, 121336), (523, 77720), (536, 75835), (580, 70082), (670, 60668), (1046, 38860), (1160, 35041), (1340, 30334), (1943, 20920), (2092, 19430), (2615, 15544), (2680, 15167), (3886, 10460), (4184, 9715), (5230, 7772)]