81145300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 182863296

約数和(自身を除く): 101717996

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 113, 167, 172, 215, 226, 334, 430, 452, 565, 668, 835, 860, 1075, 1130, 1670, 2150, 2260, 2825, 3340, 4175, 4300, 4859, 5650, 7181, 8350, 9718, 11300, 14362, 16700, 18871, 19436, 24295, 28724, 35905, 37742, 48590, 71810, 75484, 94355, 97180, 121475, 143620, 179525, 188710, 242950, 359050, 377420, 471775, 485900, 718100, 811453, 943550, 1622906, 1887100, 3245812, 4057265, 8114530, 16229060, 20286325, 40572650, 81145300]

約数ペア:

[(1, 81145300), (2, 40572650), (4, 20286325), (5, 16229060), (10, 8114530), (20, 4057265), (25, 3245812), (43, 1887100), (50, 1622906), (86, 943550), (100, 811453), (113, 718100), (167, 485900), (172, 471775), (215, 377420), (226, 359050), (334, 242950), (430, 188710), (452, 179525), (565, 143620), (668, 121475), (835, 97180), (860, 94355), (1075, 75484), (1130, 71810), (1670, 48590), (2150, 37742), (2260, 35905), (2825, 28724), (3340, 24295), (4175, 19436), (4300, 18871), (4859, 16700), (5650, 14362), (7181, 11300), (8350, 9718)]