11291440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 28212480

約数和(自身を除く): 16921040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 157, 232, 248, 290, 310, 314, 464, 496, 580, 620, 628, 785, 899, 1160, 1240, 1256, 1570, 1798, 2320, 2480, 2512, 3140, 3596, 4495, 4553, 4867, 6280, 7192, 8990, 9106, 9734, 12560, 14384, 17980, 18212, 19468, 22765, 24335, 35960, 36424, 38936, 45530, 48670, 71920, 72848, 77872, 91060, 97340, 141143, 182120, 194680, 282286, 364240, 389360, 564572, 705715, 1129144, 1411430, 2258288, 2822860, 5645720, 11291440]

約数ペア:

[(1, 11291440), (2, 5645720), (4, 2822860), (5, 2258288), (8, 1411430), (10, 1129144), (16, 705715), (20, 564572), (29, 389360), (31, 364240), (40, 282286), (58, 194680), (62, 182120), (80, 141143), (116, 97340), (124, 91060), (145, 77872), (155, 72848), (157, 71920), (232, 48670), (248, 45530), (290, 38936), (310, 36424), (314, 35960), (464, 24335), (496, 22765), (580, 19468), (620, 18212), (628, 17980), (785, 14384), (899, 12560), (1160, 9734), (1240, 9106), (1256, 8990), (1570, 7192), (1798, 6280), (2320, 4867), (2480, 4553), (2512, 4495), (3140, 3596)]