20160925720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1523}}^1\times {\mathrm{25457}}^1$

素因数の和:27004

約数の個数: 64

約数和(自身を含む): 48885469920

約数和(自身を除く): 28724544200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1523, 3046, 6092, 7615, 12184, 15230, 19799, 25457, 30460, 39598, 50914, 60920, 79196, 98995, 101828, 127285, 158392, 197990, 203656, 254570, 330941, 395980, 509140, 661882, 791960, 1018280, 1323764, 1654705, 2647528, 3309410, 6618820, 13237640, 38771011, 77542022, 155084044, 193855055, 310168088, 387710110, 504023143, 775420220, 1008046286, 1550840440, 2016092572, 2520115715, 4032185144, 5040231430, 10080462860, 20160925720]

約数ペア:

[(1, 20160925720), (2, 10080462860), (4, 5040231430), (5, 4032185144), (8, 2520115715), (10, 2016092572), (13, 1550840440), (20, 1008046286), (26, 775420220), (40, 504023143), (52, 387710110), (65, 310168088), (104, 193855055), (130, 155084044), (260, 77542022), (520, 38771011), (1523, 13237640), (3046, 6618820), (6092, 3309410), (7615, 2647528), (12184, 1654705), (15230, 1323764), (19799, 1018280), (25457, 791960), (30460, 661882), (39598, 509140), (50914, 395980), (60920, 330941), (79196, 254570), (98995, 203656), (101828, 197990), (127285, 158392)]