40185880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 110160000

約数和(自身を除く): 69974120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 101, 116, 140, 145, 196, 202, 203, 232, 245, 280, 290, 343, 392, 404, 406, 490, 505, 580, 686, 707, 808, 812, 980, 1010, 1015, 1160, 1372, 1414, 1421, 1624, 1715, 1960, 2020, 2030, 2744, 2828, 2842, 2929, 3430, 3535, 4040, 4060, 4949, 5656, 5684, 5858, 6860, 7070, 7105, 8120, 9898, 9947, 11368, 11716, 13720, 14140, 14210, 14645, 19796, 19894, 20503, 23432, 24745, 28280, 28420, 29290, 34643, 39592, 39788, 41006, 49490, 49735, 56840, 58580, 69286, 79576, 82012, 98980, 99470, 102515, 117160, 138572, 143521, 164024, 173215, 197960, 198940, 205030, 277144, 287042, 346430, 397880, 410060, 574084, 692860, 717605, 820120, 1004647, 1148168, 1385720, 1435210, 2009294, 2870420, 4018588, 5023235, 5740840, 8037176, 10046470, 20092940, 40185880]

約数ペア:

[(1, 40185880), (2, 20092940), (4, 10046470), (5, 8037176), (7, 5740840), (8, 5023235), (10, 4018588), (14, 2870420), (20, 2009294), (28, 1435210), (29, 1385720), (35, 1148168), (40, 1004647), (49, 820120), (56, 717605), (58, 692860), (70, 574084), (98, 410060), (101, 397880), (116, 346430), (140, 287042), (145, 277144), (196, 205030), (202, 198940), (203, 197960), (232, 173215), (245, 164024), (280, 143521), (290, 138572), (343, 117160), (392, 102515), (404, 99470), (406, 98980), (490, 82012), (505, 79576), (580, 69286), (686, 58580), (707, 56840), (808, 49735), (812, 49490), (980, 41006), (1010, 39788), (1015, 39592), (1160, 34643), (1372, 29290), (1414, 28420), (1421, 28280), (1624, 24745), (1715, 23432), (1960, 20503), (2020, 19894), (2030, 19796), (2744, 14645), (2828, 14210), (2842, 14140), (2929, 13720), (3430, 11716), (3535, 11368), (4040, 9947), (4060, 9898), (4949, 8120), (5656, 7105), (5684, 7070), (5858, 6860)]