39808080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4253}}^1$

素因数の和:4285

約数の個数: 120

約数和(自身を含む): 144006408

約数和(自身を除く): 104198328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4253, 4680, 8506, 9360, 12759, 17012, 21265, 25518, 34024, 38277, 42530, 51036, 55289, 63795, 68048, 76554, 85060, 102072, 110578, 127590, 153108, 165867, 170120, 191385, 204144, 221156, 255180, 276445, 306216, 331734, 340240, 382770, 442312, 497601, 510360, 552890, 612432, 663468, 765540, 829335, 884624, 995202, 1020720, 1105780, 1326936, 1531080, 1658670, 1990404, 2211560, 2488005, 2653872, 3062160, 3317340, 3980808, 4423120, 4976010, 6634680, 7961616, 9952020, 13269360, 19904040, 39808080]

約数ペア:

[(1, 39808080), (2, 19904040), (3, 13269360), (4, 9952020), (5, 7961616), (6, 6634680), (8, 4976010), (9, 4423120), (10, 3980808), (12, 3317340), (13, 3062160), (15, 2653872), (16, 2488005), (18, 2211560), (20, 1990404), (24, 1658670), (26, 1531080), (30, 1326936), (36, 1105780), (39, 1020720), (40, 995202), (45, 884624), (48, 829335), (52, 765540), (60, 663468), (65, 612432), (72, 552890), (78, 510360), (80, 497601), (90, 442312), (104, 382770), (117, 340240), (120, 331734), (130, 306216), (144, 276445), (156, 255180), (180, 221156), (195, 204144), (208, 191385), (234, 170120), (240, 165867), (260, 153108), (312, 127590), (360, 110578), (390, 102072), (468, 85060), (520, 76554), (585, 68048), (624, 63795), (720, 55289), (780, 51036), (936, 42530), (1040, 38277), (1170, 34024), (1560, 25518), (1872, 21265), (2340, 17012), (3120, 12759), (4253, 9360), (4680, 8506)]