25201540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 66495744

約数和(自身を除く): 41294204

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 61, 65, 70, 91, 122, 130, 140, 182, 227, 244, 260, 305, 364, 427, 454, 455, 610, 793, 854, 908, 910, 1135, 1220, 1586, 1589, 1708, 1820, 2135, 2270, 2951, 3172, 3178, 3965, 4270, 4540, 5551, 5902, 6356, 7930, 7945, 8540, 11102, 11804, 13847, 14755, 15860, 15890, 20657, 22204, 27694, 27755, 29510, 31780, 41314, 55388, 55510, 59020, 69235, 82628, 96929, 103285, 111020, 138470, 180011, 193858, 206570, 276940, 360022, 387716, 413140, 484645, 720044, 900055, 969290, 1260077, 1800110, 1938580, 2520154, 3600220, 5040308, 6300385, 12600770, 25201540]

約数ペア:

[(1, 25201540), (2, 12600770), (4, 6300385), (5, 5040308), (7, 3600220), (10, 2520154), (13, 1938580), (14, 1800110), (20, 1260077), (26, 969290), (28, 900055), (35, 720044), (52, 484645), (61, 413140), (65, 387716), (70, 360022), (91, 276940), (122, 206570), (130, 193858), (140, 180011), (182, 138470), (227, 111020), (244, 103285), (260, 96929), (305, 82628), (364, 69235), (427, 59020), (454, 55510), (455, 55388), (610, 41314), (793, 31780), (854, 29510), (908, 27755), (910, 27694), (1135, 22204), (1220, 20657), (1586, 15890), (1589, 15860), (1708, 14755), (1820, 13847), (2135, 11804), (2270, 11102), (2951, 8540), (3172, 7945), (3178, 7930), (3965, 6356), (4270, 5902), (4540, 5551)]