16448521720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2113}}^1\times {\mathrm{2741}}^1$

素因数の和:4936

約数の個数: 64

約数和(自身を含む): 37561890240

約数和(自身を除く): 21113368520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2113, 2741, 2840, 4226, 5482, 8452, 10565, 10964, 13705, 16904, 21130, 21928, 27410, 42260, 54820, 84520, 109640, 150023, 194611, 300046, 389222, 600092, 750115, 778444, 973055, 1200184, 1500230, 1556888, 1946110, 3000460, 3892220, 5791733, 6000920, 7784440, 11583466, 23166932, 28958665, 46333864, 57917330, 115834660, 231669320, 411213043, 822426086, 1644852172, 2056065215, 3289704344, 4112130430, 8224260860, 16448521720]

約数ペア:

[(1, 16448521720), (2, 8224260860), (4, 4112130430), (5, 3289704344), (8, 2056065215), (10, 1644852172), (20, 822426086), (40, 411213043), (71, 231669320), (142, 115834660), (284, 57917330), (355, 46333864), (568, 28958665), (710, 23166932), (1420, 11583466), (2113, 7784440), (2741, 6000920), (2840, 5791733), (4226, 3892220), (5482, 3000460), (8452, 1946110), (10565, 1556888), (10964, 1500230), (13705, 1200184), (16904, 973055), (21130, 778444), (21928, 750115), (27410, 600092), (42260, 389222), (54820, 300046), (84520, 194611), (109640, 150023)]