56560840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2557}}^1$

素因数の和:2654

約数の個数: 64

約数和(自身を含む): 147340800

約数和(自身を除く): 90779960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2557, 2765, 3160, 4424, 5114, 5530, 10228, 11060, 12785, 17899, 20456, 22120, 25570, 35798, 51140, 71596, 89495, 102280, 143192, 178990, 202003, 357980, 404006, 715960, 808012, 1010015, 1414021, 1616024, 2020030, 2828042, 4040060, 5656084, 7070105, 8080120, 11312168, 14140210, 28280420, 56560840]

約数ペア:

[(1, 56560840), (2, 28280420), (4, 14140210), (5, 11312168), (7, 8080120), (8, 7070105), (10, 5656084), (14, 4040060), (20, 2828042), (28, 2020030), (35, 1616024), (40, 1414021), (56, 1010015), (70, 808012), (79, 715960), (140, 404006), (158, 357980), (280, 202003), (316, 178990), (395, 143192), (553, 102280), (632, 89495), (790, 71596), (1106, 51140), (1580, 35798), (2212, 25570), (2557, 22120), (2765, 20456), (3160, 17899), (4424, 12785), (5114, 11060), (5530, 10228)]