2215720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4261}}^1$

素因数の和:4285

約数の個数: 32

約数和(自身を含む): 5370120

約数和(自身を除く): 3154400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4261, 8522, 17044, 21305, 34088, 42610, 55393, 85220, 110786, 170440, 221572, 276965, 443144, 553930, 1107860, 2215720]

約数ペア:

[(1, 2215720), (2, 1107860), (4, 553930), (5, 443144), (8, 276965), (10, 221572), (13, 170440), (20, 110786), (26, 85220), (40, 55393), (52, 42610), (65, 34088), (104, 21305), (130, 17044), (260, 8522), (520, 4261)]