128588720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9511}}^1$

素因数の和:9550

約数の個数: 60

約数和(自身を含む): 323769456

約数和(自身を除く): 195180736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 9511, 13520, 19022, 38044, 47555, 76088, 95110, 123643, 152176, 190220, 247286, 380440, 494572, 618215, 760880, 989144, 1236430, 1607359, 1978288, 2472860, 3214718, 4945720, 6429436, 8036795, 9891440, 12858872, 16073590, 25717744, 32147180, 64294360, 128588720]

約数ペア:

[(1, 128588720), (2, 64294360), (4, 32147180), (5, 25717744), (8, 16073590), (10, 12858872), (13, 9891440), (16, 8036795), (20, 6429436), (26, 4945720), (40, 3214718), (52, 2472860), (65, 1978288), (80, 1607359), (104, 1236430), (130, 989144), (169, 760880), (208, 618215), (260, 494572), (338, 380440), (520, 247286), (676, 190220), (845, 152176), (1040, 123643), (1352, 95110), (1690, 76088), (2704, 47555), (3380, 38044), (6760, 19022), (9511, 13520)]