25041720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 83566080

約数和(自身を除く): 58524360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 61, 66, 88, 110, 120, 122, 132, 165, 183, 220, 244, 264, 305, 311, 330, 366, 440, 488, 610, 622, 660, 671, 732, 915, 933, 1220, 1244, 1320, 1342, 1464, 1555, 1830, 1866, 2013, 2440, 2488, 2684, 3110, 3355, 3421, 3660, 3732, 4026, 4665, 5368, 6220, 6710, 6842, 7320, 7464, 8052, 9330, 10065, 10263, 12440, 13420, 13684, 16104, 17105, 18660, 18971, 20130, 20526, 26840, 27368, 34210, 37320, 37942, 40260, 41052, 51315, 56913, 68420, 75884, 80520, 82104, 94855, 102630, 113826, 136840, 151768, 189710, 205260, 208681, 227652, 284565, 379420, 410520, 417362, 455304, 569130, 626043, 758840, 834724, 1043405, 1138260, 1252086, 1669448, 2086810, 2276520, 2504172, 3130215, 4173620, 5008344, 6260430, 8347240, 12520860, 25041720]

約数ペア:

[(1, 25041720), (2, 12520860), (3, 8347240), (4, 6260430), (5, 5008344), (6, 4173620), (8, 3130215), (10, 2504172), (11, 2276520), (12, 2086810), (15, 1669448), (20, 1252086), (22, 1138260), (24, 1043405), (30, 834724), (33, 758840), (40, 626043), (44, 569130), (55, 455304), (60, 417362), (61, 410520), (66, 379420), (88, 284565), (110, 227652), (120, 208681), (122, 205260), (132, 189710), (165, 151768), (183, 136840), (220, 113826), (244, 102630), (264, 94855), (305, 82104), (311, 80520), (330, 75884), (366, 68420), (440, 56913), (488, 51315), (610, 41052), (622, 40260), (660, 37942), (671, 37320), (732, 34210), (915, 27368), (933, 26840), (1220, 20526), (1244, 20130), (1320, 18971), (1342, 18660), (1464, 17105), (1555, 16104), (1830, 13684), (1866, 13420), (2013, 12440), (2440, 10263), (2488, 10065), (2684, 9330), (3110, 8052), (3355, 7464), (3421, 7320), (3660, 6842), (3732, 6710), (4026, 6220), (4665, 5368)]