1564420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 3866688

約数和(自身を除く): 2302268

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 547, 572, 715, 1094, 1430, 2188, 2735, 2860, 5470, 6017, 7111, 10940, 12034, 14222, 24068, 28444, 30085, 35555, 60170, 71110, 78221, 120340, 142220, 156442, 312884, 391105, 782210, 1564420]

約数ペア:

[(1, 1564420), (2, 782210), (4, 391105), (5, 312884), (10, 156442), (11, 142220), (13, 120340), (20, 78221), (22, 71110), (26, 60170), (44, 35555), (52, 30085), (55, 28444), (65, 24068), (110, 14222), (130, 12034), (143, 10940), (220, 7111), (260, 6017), (286, 5470), (547, 2860), (572, 2735), (715, 2188), (1094, 1430)]