2345720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{347}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 5731560

約数和(自身を除く): 3385840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 347, 520, 676, 694, 845, 1352, 1388, 1690, 1735, 2776, 3380, 3470, 4511, 6760, 6940, 9022, 13880, 18044, 22555, 36088, 45110, 58643, 90220, 117286, 180440, 234572, 293215, 469144, 586430, 1172860, 2345720]

約数ペア:

[(1, 2345720), (2, 1172860), (4, 586430), (5, 469144), (8, 293215), (10, 234572), (13, 180440), (20, 117286), (26, 90220), (40, 58643), (52, 45110), (65, 36088), (104, 22555), (130, 18044), (169, 13880), (260, 9022), (338, 6940), (347, 6760), (520, 4511), (676, 3470), (694, 3380), (845, 2776), (1352, 1735), (1388, 1690)]