40621240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 108345600

約数和(自身を除く): 67724360

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 43, 44, 55, 76, 86, 88, 95, 110, 113, 152, 172, 190, 209, 215, 220, 226, 344, 380, 418, 430, 440, 452, 473, 565, 760, 817, 836, 860, 904, 946, 1045, 1130, 1243, 1634, 1672, 1720, 1892, 2090, 2147, 2260, 2365, 2486, 3268, 3784, 4085, 4180, 4294, 4520, 4730, 4859, 4972, 6215, 6536, 8170, 8360, 8588, 8987, 9460, 9718, 9944, 10735, 12430, 16340, 17176, 17974, 18920, 19436, 21470, 23617, 24295, 24860, 32680, 35948, 38872, 42940, 44935, 47234, 48590, 49720, 53449, 71896, 85880, 89870, 92321, 94468, 97180, 106898, 118085, 179740, 184642, 188936, 194360, 213796, 236170, 267245, 359480, 369284, 427592, 461605, 472340, 534490, 738568, 923210, 944680, 1015531, 1068980, 1846420, 2031062, 2137960, 3692840, 4062124, 5077655, 8124248, 10155310, 20310620, 40621240]

約数ペア:

[(1, 40621240), (2, 20310620), (4, 10155310), (5, 8124248), (8, 5077655), (10, 4062124), (11, 3692840), (19, 2137960), (20, 2031062), (22, 1846420), (38, 1068980), (40, 1015531), (43, 944680), (44, 923210), (55, 738568), (76, 534490), (86, 472340), (88, 461605), (95, 427592), (110, 369284), (113, 359480), (152, 267245), (172, 236170), (190, 213796), (209, 194360), (215, 188936), (220, 184642), (226, 179740), (344, 118085), (380, 106898), (418, 97180), (430, 94468), (440, 92321), (452, 89870), (473, 85880), (565, 71896), (760, 53449), (817, 49720), (836, 48590), (860, 47234), (904, 44935), (946, 42940), (1045, 38872), (1130, 35948), (1243, 32680), (1634, 24860), (1672, 24295), (1720, 23617), (1892, 21470), (2090, 19436), (2147, 18920), (2260, 17974), (2365, 17176), (2486, 16340), (3268, 12430), (3784, 10735), (4085, 9944), (4180, 9718), (4294, 9460), (4520, 8987), (4730, 8588), (4859, 8360), (4972, 8170), (6215, 6536)]