2213080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 5066640

約数和(自身を除く): 2853560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 907, 1220, 1814, 2440, 3628, 4535, 7256, 9070, 18140, 36280, 55327, 110654, 221308, 276635, 442616, 553270, 1106540, 2213080]

約数ペア:

[(1, 2213080), (2, 1106540), (4, 553270), (5, 442616), (8, 276635), (10, 221308), (20, 110654), (40, 55327), (61, 36280), (122, 18140), (244, 9070), (305, 7256), (488, 4535), (610, 3628), (907, 2440), (1220, 1814)]