78535520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{70121}}^1$

素因数の和:70143

約数の個数: 48

約数和(自身を含む): 212048928

約数和(自身を除く): 133513408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 70121, 140242, 280484, 350605, 490847, 560968, 701210, 981694, 1121936, 1402420, 1963388, 2243872, 2454235, 2804840, 3926776, 4908470, 5609680, 7853552, 9816940, 11219360, 15707104, 19633880, 39267760, 78535520]

約数ペア:

[(1, 78535520), (2, 39267760), (4, 19633880), (5, 15707104), (7, 11219360), (8, 9816940), (10, 7853552), (14, 5609680), (16, 4908470), (20, 3926776), (28, 2804840), (32, 2454235), (35, 2243872), (40, 1963388), (56, 1402420), (70, 1121936), (80, 981694), (112, 701210), (140, 560968), (160, 490847), (224, 350605), (280, 280484), (560, 140242), (1120, 70121)]