126880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:89

約数の個数: 48

約数和(自身を含む): 328104

約数和(自身を除く): 201224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 65, 80, 104, 122, 130, 160, 208, 244, 260, 305, 416, 488, 520, 610, 793, 976, 1040, 1220, 1586, 1952, 2080, 2440, 3172, 3965, 4880, 6344, 7930, 9760, 12688, 15860, 25376, 31720, 63440, 126880]

約数ペア:

[(1, 126880), (2, 63440), (4, 31720), (5, 25376), (8, 15860), (10, 12688), (13, 9760), (16, 7930), (20, 6344), (26, 4880), (32, 3965), (40, 3172), (52, 2440), (61, 2080), (65, 1952), (80, 1586), (104, 1220), (122, 1040), (130, 976), (160, 793), (208, 610), (244, 520), (260, 488), (305, 416)]