8143240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 21196800

約数和(自身を除く): 13053560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 229, 254, 280, 458, 508, 635, 889, 916, 1016, 1145, 1270, 1603, 1778, 1832, 2290, 2540, 3206, 3556, 4445, 4580, 5080, 6412, 7112, 8015, 8890, 9160, 12824, 16030, 17780, 29083, 32060, 35560, 58166, 64120, 116332, 145415, 203581, 232664, 290830, 407162, 581660, 814324, 1017905, 1163320, 1628648, 2035810, 4071620, 8143240]

約数ペア:

[(1, 8143240), (2, 4071620), (4, 2035810), (5, 1628648), (7, 1163320), (8, 1017905), (10, 814324), (14, 581660), (20, 407162), (28, 290830), (35, 232664), (40, 203581), (56, 145415), (70, 116332), (127, 64120), (140, 58166), (229, 35560), (254, 32060), (280, 29083), (458, 17780), (508, 16030), (635, 12824), (889, 9160), (916, 8890), (1016, 8015), (1145, 7112), (1270, 6412), (1603, 5080), (1778, 4580), (1832, 4445), (2290, 3556), (2540, 3206)]