25606420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 69809040

約数和(自身を除く): 44202620

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 34, 35, 49, 53, 58, 68, 70, 85, 98, 106, 116, 119, 140, 145, 170, 196, 203, 212, 238, 245, 265, 290, 340, 371, 406, 476, 490, 493, 530, 580, 595, 742, 812, 833, 901, 980, 986, 1015, 1060, 1190, 1421, 1484, 1537, 1666, 1802, 1855, 1972, 2030, 2380, 2465, 2597, 2842, 3074, 3332, 3451, 3604, 3710, 4060, 4165, 4505, 4930, 5194, 5684, 6148, 6307, 6902, 7105, 7420, 7685, 8330, 9010, 9860, 10388, 10759, 12614, 12985, 13804, 14210, 15370, 16660, 17255, 18020, 21518, 24157, 25228, 25970, 26129, 28420, 30740, 31535, 34510, 43036, 44149, 48314, 51940, 52258, 53795, 63070, 69020, 75313, 88298, 96628, 104516, 107590, 120785, 126140, 130645, 150626, 176596, 182903, 215180, 220745, 241570, 261290, 301252, 365806, 376565, 441490, 483140, 522580, 731612, 753130, 882980, 914515, 1280321, 1506260, 1829030, 2560642, 3658060, 5121284, 6401605, 12803210, 25606420]

約数ペア:

[(1, 25606420), (2, 12803210), (4, 6401605), (5, 5121284), (7, 3658060), (10, 2560642), (14, 1829030), (17, 1506260), (20, 1280321), (28, 914515), (29, 882980), (34, 753130), (35, 731612), (49, 522580), (53, 483140), (58, 441490), (68, 376565), (70, 365806), (85, 301252), (98, 261290), (106, 241570), (116, 220745), (119, 215180), (140, 182903), (145, 176596), (170, 150626), (196, 130645), (203, 126140), (212, 120785), (238, 107590), (245, 104516), (265, 96628), (290, 88298), (340, 75313), (371, 69020), (406, 63070), (476, 53795), (490, 52258), (493, 51940), (530, 48314), (580, 44149), (595, 43036), (742, 34510), (812, 31535), (833, 30740), (901, 28420), (980, 26129), (986, 25970), (1015, 25228), (1060, 24157), (1190, 21518), (1421, 18020), (1484, 17255), (1537, 16660), (1666, 15370), (1802, 14210), (1855, 13804), (1972, 12985), (2030, 12614), (2380, 10759), (2465, 10388), (2597, 9860), (2842, 9010), (3074, 8330), (3332, 7685), (3451, 7420), (3604, 7105), (3710, 6902), (4060, 6307), (4165, 6148), (4505, 5684), (4930, 5194)]