1799720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3461}}^1$

素因数の和:3485

約数の個数: 32

約数和(自身を含む): 4362120

約数和(自身を除く): 2562400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3461, 6922, 13844, 17305, 27688, 34610, 44993, 69220, 89986, 138440, 179972, 224965, 359944, 449930, 899860, 1799720]

約数ペア:

[(1, 1799720), (2, 899860), (4, 449930), (5, 359944), (8, 224965), (10, 179972), (13, 138440), (20, 89986), (26, 69220), (40, 44993), (52, 34610), (65, 27688), (104, 17305), (130, 13844), (260, 6922), (520, 3461)]