56370640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 140147280

約数和(自身を除く): 83776640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 181, 229, 272, 340, 362, 458, 680, 724, 905, 916, 1145, 1360, 1448, 1810, 1832, 2290, 2896, 3077, 3620, 3664, 3893, 4580, 6154, 7240, 7786, 9160, 12308, 14480, 15385, 15572, 18320, 19465, 24616, 30770, 31144, 38930, 41449, 49232, 61540, 62288, 77860, 82898, 123080, 155720, 165796, 207245, 246160, 311440, 331592, 414490, 663184, 704633, 828980, 1409266, 1657960, 2818532, 3315920, 3523165, 5637064, 7046330, 11274128, 14092660, 28185320, 56370640]

約数ペア:

[(1, 56370640), (2, 28185320), (4, 14092660), (5, 11274128), (8, 7046330), (10, 5637064), (16, 3523165), (17, 3315920), (20, 2818532), (34, 1657960), (40, 1409266), (68, 828980), (80, 704633), (85, 663184), (136, 414490), (170, 331592), (181, 311440), (229, 246160), (272, 207245), (340, 165796), (362, 155720), (458, 123080), (680, 82898), (724, 77860), (905, 62288), (916, 61540), (1145, 49232), (1360, 41449), (1448, 38930), (1810, 31144), (1832, 30770), (2290, 24616), (2896, 19465), (3077, 18320), (3620, 15572), (3664, 15385), (3893, 14480), (4580, 12308), (6154, 9160), (7240, 7786)]