4431440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4261}}^1$

素因数の和:4287

約数の個数: 40

約数和(自身を含む): 11098248

約数和(自身を除く): 6666808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4261, 8522, 17044, 21305, 34088, 42610, 55393, 68176, 85220, 110786, 170440, 221572, 276965, 340880, 443144, 553930, 886288, 1107860, 2215720, 4431440]

約数ペア:

[(1, 4431440), (2, 2215720), (4, 1107860), (5, 886288), (8, 553930), (10, 443144), (13, 340880), (16, 276965), (20, 221572), (26, 170440), (40, 110786), (52, 85220), (65, 68176), (80, 55393), (104, 42610), (130, 34088), (208, 21305), (260, 17044), (520, 8522), (1040, 4261)]