2013196400

素因数分解:

$2^4\times 5^2\times {\mathrm{281}}^1\times {\mathrm{17911}}^1$

素因数の和:18210

約数の個数: 60

約数和(自身を含む): 4854187824

約数和(自身を除く): 2840991424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 281, 400, 562, 1124, 1405, 2248, 2810, 4496, 5620, 7025, 11240, 14050, 17911, 22480, 28100, 35822, 56200, 71644, 89555, 112400, 143288, 179110, 286576, 358220, 447775, 716440, 895550, 1432880, 1791100, 3582200, 5032991, 7164400, 10065982, 20131964, 25164955, 40263928, 50329910, 80527856, 100659820, 125824775, 201319640, 251649550, 402639280, 503299100, 1006598200, 2013196400]

約数ペア:

[(1, 2013196400), (2, 1006598200), (4, 503299100), (5, 402639280), (8, 251649550), (10, 201319640), (16, 125824775), (20, 100659820), (25, 80527856), (40, 50329910), (50, 40263928), (80, 25164955), (100, 20131964), (200, 10065982), (281, 7164400), (400, 5032991), (562, 3582200), (1124, 1791100), (1405, 1432880), (2248, 895550), (2810, 716440), (4496, 447775), (5620, 358220), (7025, 286576), (11240, 179110), (14050, 143288), (17911, 112400), (22480, 89555), (28100, 71644), (35822, 56200)]