25987220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 67495680

約数和(自身を除く): 41508460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 61, 68, 70, 85, 119, 122, 140, 170, 179, 238, 244, 305, 340, 358, 427, 476, 595, 610, 716, 854, 895, 1037, 1190, 1220, 1253, 1708, 1790, 2074, 2135, 2380, 2506, 3043, 3580, 4148, 4270, 5012, 5185, 6086, 6265, 7259, 8540, 10370, 10919, 12172, 12530, 14518, 15215, 20740, 21301, 21838, 25060, 29036, 30430, 36295, 42602, 43676, 54595, 60860, 72590, 76433, 85204, 106505, 109190, 145180, 152866, 185623, 213010, 218380, 305732, 371246, 382165, 426020, 742492, 764330, 928115, 1299361, 1528660, 1856230, 2598722, 3712460, 5197444, 6496805, 12993610, 25987220]

約数ペア:

[(1, 25987220), (2, 12993610), (4, 6496805), (5, 5197444), (7, 3712460), (10, 2598722), (14, 1856230), (17, 1528660), (20, 1299361), (28, 928115), (34, 764330), (35, 742492), (61, 426020), (68, 382165), (70, 371246), (85, 305732), (119, 218380), (122, 213010), (140, 185623), (170, 152866), (179, 145180), (238, 109190), (244, 106505), (305, 85204), (340, 76433), (358, 72590), (427, 60860), (476, 54595), (595, 43676), (610, 42602), (716, 36295), (854, 30430), (895, 29036), (1037, 25060), (1190, 21838), (1220, 21301), (1253, 20740), (1708, 15215), (1790, 14518), (2074, 12530), (2135, 12172), (2380, 10919), (2506, 10370), (3043, 8540), (3580, 7259), (4148, 6265), (4270, 6086), (5012, 5185)]