29781280

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10949}}^1$

素因数の和:10981

約数の個数: 48

約数和(自身を含む): 74503800

約数和(自身を除く): 44722520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 10949, 21898, 43796, 54745, 87592, 109490, 175184, 186133, 218980, 350368, 372266, 437960, 744532, 875920, 930665, 1489064, 1751840, 1861330, 2978128, 3722660, 5956256, 7445320, 14890640, 29781280]

約数ペア:

[(1, 29781280), (2, 14890640), (4, 7445320), (5, 5956256), (8, 3722660), (10, 2978128), (16, 1861330), (17, 1751840), (20, 1489064), (32, 930665), (34, 875920), (40, 744532), (68, 437960), (80, 372266), (85, 350368), (136, 218980), (160, 186133), (170, 175184), (272, 109490), (340, 87592), (544, 54745), (680, 43796), (1360, 21898), (2720, 10949)]