27827020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 68302080

約数和(自身を除く): 40475060

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 52, 65, 76, 86, 95, 130, 131, 172, 190, 215, 247, 260, 262, 380, 430, 494, 524, 559, 655, 817, 860, 988, 1118, 1235, 1310, 1634, 1703, 2236, 2470, 2489, 2620, 2795, 3268, 3406, 4085, 4940, 4978, 5590, 5633, 6812, 8170, 8515, 9956, 10621, 11180, 11266, 12445, 16340, 17030, 21242, 22532, 24890, 28165, 32357, 34060, 42484, 49780, 53105, 56330, 64714, 73229, 106210, 107027, 112660, 129428, 146458, 161785, 212420, 214054, 292916, 323570, 366145, 428108, 535135, 647140, 732290, 1070270, 1391351, 1464580, 2140540, 2782702, 5565404, 6956755, 13913510, 27827020]

約数ペア:

[(1, 27827020), (2, 13913510), (4, 6956755), (5, 5565404), (10, 2782702), (13, 2140540), (19, 1464580), (20, 1391351), (26, 1070270), (38, 732290), (43, 647140), (52, 535135), (65, 428108), (76, 366145), (86, 323570), (95, 292916), (130, 214054), (131, 212420), (172, 161785), (190, 146458), (215, 129428), (247, 112660), (260, 107027), (262, 106210), (380, 73229), (430, 64714), (494, 56330), (524, 53105), (559, 49780), (655, 42484), (817, 34060), (860, 32357), (988, 28165), (1118, 24890), (1235, 22532), (1310, 21242), (1634, 17030), (1703, 16340), (2236, 12445), (2470, 11266), (2489, 11180), (2620, 10621), (2795, 9956), (3268, 8515), (3406, 8170), (4085, 6812), (4940, 5633), (4978, 5590)]