11011720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4513}}^1$

素因数の和:4585

約数の個数: 32

約数和(自身を含む): 25188120

約数和(自身を除く): 14176400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 4513, 9026, 18052, 22565, 36104, 45130, 90260, 180520, 275293, 550586, 1101172, 1376465, 2202344, 2752930, 5505860, 11011720]

約数ペア:

[(1, 11011720), (2, 5505860), (4, 2752930), (5, 2202344), (8, 1376465), (10, 1101172), (20, 550586), (40, 275293), (61, 180520), (122, 90260), (244, 45130), (305, 36104), (488, 22565), (610, 18052), (1220, 9026), (2440, 4513)]