127655840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4721}}^1$

素因数の和:4762

約数の個数: 72

約数和(自身を含む): 326639628

約数和(自身を除く): 198983788

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 4721, 5408, 6760, 9442, 13520, 18884, 23605, 27040, 37768, 47210, 61373, 75536, 94420, 122746, 151072, 188840, 245492, 306865, 377680, 490984, 613730, 755360, 797849, 981968, 1227460, 1595698, 1963936, 2454920, 3191396, 3989245, 4909840, 6382792, 7978490, 9819680, 12765584, 15956980, 25531168, 31913960, 63827920, 127655840]

約数ペア:

[(1, 127655840), (2, 63827920), (4, 31913960), (5, 25531168), (8, 15956980), (10, 12765584), (13, 9819680), (16, 7978490), (20, 6382792), (26, 4909840), (32, 3989245), (40, 3191396), (52, 2454920), (65, 1963936), (80, 1595698), (104, 1227460), (130, 981968), (160, 797849), (169, 755360), (208, 613730), (260, 490984), (338, 377680), (416, 306865), (520, 245492), (676, 188840), (845, 151072), (1040, 122746), (1352, 94420), (1690, 75536), (2080, 61373), (2704, 47210), (3380, 37768), (4721, 27040), (5408, 23605), (6760, 18884), (9442, 13520)]