25806760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 70917120

約数和(自身を除く): 45110360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 47, 53, 56, 70, 74, 94, 106, 140, 148, 185, 188, 212, 235, 259, 265, 280, 296, 329, 370, 371, 376, 424, 470, 518, 530, 658, 740, 742, 940, 1036, 1060, 1295, 1316, 1480, 1484, 1645, 1739, 1855, 1880, 1961, 2072, 2120, 2491, 2590, 2632, 2968, 3290, 3478, 3710, 3922, 4982, 5180, 6580, 6956, 7420, 7844, 8695, 9805, 9964, 10360, 12173, 12455, 13160, 13727, 13912, 14840, 15688, 17390, 17437, 19610, 19928, 24346, 24910, 27454, 34780, 34874, 39220, 48692, 49820, 54908, 60865, 68635, 69560, 69748, 78440, 87185, 92167, 97384, 99640, 109816, 121730, 137270, 139496, 174370, 184334, 243460, 274540, 348740, 368668, 460835, 486920, 549080, 645169, 697480, 737336, 921670, 1290338, 1843340, 2580676, 3225845, 3686680, 5161352, 6451690, 12903380, 25806760]

約数ペア:

[(1, 25806760), (2, 12903380), (4, 6451690), (5, 5161352), (7, 3686680), (8, 3225845), (10, 2580676), (14, 1843340), (20, 1290338), (28, 921670), (35, 737336), (37, 697480), (40, 645169), (47, 549080), (53, 486920), (56, 460835), (70, 368668), (74, 348740), (94, 274540), (106, 243460), (140, 184334), (148, 174370), (185, 139496), (188, 137270), (212, 121730), (235, 109816), (259, 99640), (265, 97384), (280, 92167), (296, 87185), (329, 78440), (370, 69748), (371, 69560), (376, 68635), (424, 60865), (470, 54908), (518, 49820), (530, 48692), (658, 39220), (740, 34874), (742, 34780), (940, 27454), (1036, 24910), (1060, 24346), (1295, 19928), (1316, 19610), (1480, 17437), (1484, 17390), (1645, 15688), (1739, 14840), (1855, 13912), (1880, 13727), (1961, 13160), (2072, 12455), (2120, 12173), (2491, 10360), (2590, 9964), (2632, 9805), (2968, 8695), (3290, 7844), (3478, 7420), (3710, 6956), (3922, 6580), (4982, 5180)]