40663040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:76

約数の個数: 144

約数和(自身を含む): 112334040

約数和(自身を除く): 71671000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 256, 304, 320, 352, 361, 380, 418, 440, 512, 608, 640, 704, 722, 760, 836, 880, 1024, 1045, 1216, 1280, 1408, 1444, 1520, 1672, 1760, 1805, 2048, 2090, 2432, 2560, 2816, 2888, 3040, 3344, 3520, 3610, 3971, 4180, 4864, 5120, 5632, 5776, 6080, 6688, 7040, 7220, 7942, 8360, 9728, 10240, 11264, 11552, 12160, 13376, 14080, 14440, 15884, 16720, 19456, 19855, 22528, 23104, 24320, 26752, 28160, 28880, 31768, 33440, 38912, 39710, 46208, 48640, 53504, 56320, 57760, 63536, 66880, 79420, 92416, 97280, 107008, 112640, 115520, 127072, 133760, 158840, 184832, 194560, 214016, 231040, 254144, 267520, 317680, 369664, 428032, 462080, 508288, 535040, 635360, 739328, 924160, 1016576, 1070080, 1270720, 1848320, 2033152, 2140160, 2541440, 3696640, 4066304, 5082880, 8132608, 10165760, 20331520, 40663040]

約数ペア:

[(1, 40663040), (2, 20331520), (4, 10165760), (5, 8132608), (8, 5082880), (10, 4066304), (11, 3696640), (16, 2541440), (19, 2140160), (20, 2033152), (22, 1848320), (32, 1270720), (38, 1070080), (40, 1016576), (44, 924160), (55, 739328), (64, 635360), (76, 535040), (80, 508288), (88, 462080), (95, 428032), (110, 369664), (128, 317680), (152, 267520), (160, 254144), (176, 231040), (190, 214016), (209, 194560), (220, 184832), (256, 158840), (304, 133760), (320, 127072), (352, 115520), (361, 112640), (380, 107008), (418, 97280), (440, 92416), (512, 79420), (608, 66880), (640, 63536), (704, 57760), (722, 56320), (760, 53504), (836, 48640), (880, 46208), (1024, 39710), (1045, 38912), (1216, 33440), (1280, 31768), (1408, 28880), (1444, 28160), (1520, 26752), (1672, 24320), (1760, 23104), (1805, 22528), (2048, 19855), (2090, 19456), (2432, 16720), (2560, 15884), (2816, 14440), (2888, 14080), (3040, 13376), (3344, 12160), (3520, 11552), (3610, 11264), (3971, 10240), (4180, 9728), (4864, 8360), (5120, 7942), (5632, 7220), (5776, 7040), (6080, 6688)]