31147760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55621}}^1$

素因数の和:55641

約数の個数: 40

約数和(自身を含む): 82765536

約数和(自身を除く): 51617776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55621, 111242, 222484, 278105, 389347, 444968, 556210, 778694, 889936, 1112420, 1557388, 1946735, 2224840, 3114776, 3893470, 4449680, 6229552, 7786940, 15573880, 31147760]

約数ペア:

[(1, 31147760), (2, 15573880), (4, 7786940), (5, 6229552), (7, 4449680), (8, 3893470), (10, 3114776), (14, 2224840), (16, 1946735), (20, 1557388), (28, 1112420), (35, 889936), (40, 778694), (56, 556210), (70, 444968), (80, 389347), (112, 278105), (140, 222484), (280, 111242), (560, 55621)]