19925440

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{877}}^1$

素因数の和:965

約数の個数: 56

約数和(自身を含む): 48170592

約数和(自身を除く): 28245152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 877, 1136, 1420, 1754, 2272, 2840, 3508, 4385, 4544, 5680, 7016, 8770, 11360, 14032, 17540, 22720, 28064, 35080, 56128, 62267, 70160, 124534, 140320, 249068, 280640, 311335, 498136, 622670, 996272, 1245340, 1992544, 2490680, 3985088, 4981360, 9962720, 19925440]

約数ペア:

[(1, 19925440), (2, 9962720), (4, 4981360), (5, 3985088), (8, 2490680), (10, 1992544), (16, 1245340), (20, 996272), (32, 622670), (40, 498136), (64, 311335), (71, 280640), (80, 249068), (142, 140320), (160, 124534), (284, 70160), (320, 62267), (355, 56128), (568, 35080), (710, 28064), (877, 22720), (1136, 17540), (1420, 14032), (1754, 11360), (2272, 8770), (2840, 7016), (3508, 5680), (4385, 4544)]