39808340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 101606400

約数和(自身を除く): 61798060

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 220, 260, 286, 310, 341, 403, 449, 572, 620, 682, 715, 806, 898, 1364, 1430, 1612, 1705, 1796, 2015, 2245, 2860, 3410, 4030, 4433, 4490, 4939, 5837, 6820, 8060, 8866, 8980, 9878, 11674, 13919, 17732, 19756, 22165, 23348, 24695, 27838, 29185, 44330, 49390, 55676, 58370, 64207, 69595, 88660, 98780, 116740, 128414, 139190, 153109, 180947, 256828, 278380, 306218, 321035, 361894, 612436, 642070, 723788, 765545, 904735, 1284140, 1531090, 1809470, 1990417, 3062180, 3618940, 3980834, 7961668, 9952085, 19904170, 39808340]

約数ペア:

[(1, 39808340), (2, 19904170), (4, 9952085), (5, 7961668), (10, 3980834), (11, 3618940), (13, 3062180), (20, 1990417), (22, 1809470), (26, 1531090), (31, 1284140), (44, 904735), (52, 765545), (55, 723788), (62, 642070), (65, 612436), (110, 361894), (124, 321035), (130, 306218), (143, 278380), (155, 256828), (220, 180947), (260, 153109), (286, 139190), (310, 128414), (341, 116740), (403, 98780), (449, 88660), (572, 69595), (620, 64207), (682, 58370), (715, 55676), (806, 49390), (898, 44330), (1364, 29185), (1430, 27838), (1612, 24695), (1705, 23348), (1796, 22165), (2015, 19756), (2245, 17732), (2860, 13919), (3410, 11674), (4030, 9878), (4433, 8980), (4490, 8866), (4939, 8060), (5837, 6820)]