25565540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1277}}^1$

素因数の和:1317

約数の個数: 96

約数和(自身を含む): 72140544

約数和(自身を除く): 46575004

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1277, 1430, 1540, 1820, 2002, 2554, 2860, 4004, 5005, 5108, 6385, 8939, 10010, 12770, 14047, 16601, 17878, 20020, 25540, 28094, 33202, 35756, 44695, 56188, 66404, 70235, 83005, 89390, 98329, 116207, 140470, 166010, 178780, 182611, 196658, 232414, 280940, 332020, 365222, 393316, 464828, 491645, 581035, 730444, 913055, 983290, 1162070, 1278277, 1826110, 1966580, 2324140, 2556554, 3652220, 5113108, 6391385, 12782770, 25565540]

約数ペア:

[(1, 25565540), (2, 12782770), (4, 6391385), (5, 5113108), (7, 3652220), (10, 2556554), (11, 2324140), (13, 1966580), (14, 1826110), (20, 1278277), (22, 1162070), (26, 983290), (28, 913055), (35, 730444), (44, 581035), (52, 491645), (55, 464828), (65, 393316), (70, 365222), (77, 332020), (91, 280940), (110, 232414), (130, 196658), (140, 182611), (143, 178780), (154, 166010), (182, 140470), (220, 116207), (260, 98329), (286, 89390), (308, 83005), (364, 70235), (385, 66404), (455, 56188), (572, 44695), (715, 35756), (770, 33202), (910, 28094), (1001, 25540), (1277, 20020), (1430, 17878), (1540, 16601), (1820, 14047), (2002, 12770), (2554, 10010), (2860, 8939), (4004, 6385), (5005, 5108)]