26005140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20639}}^1$

素因数の和:20661

約数の個数: 72

約数和(自身を含む): 90155520

約数和(自身を除く): 64150380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20639, 41278, 61917, 82556, 103195, 123834, 144473, 185751, 206390, 247668, 288946, 309585, 371502, 412780, 433419, 577892, 619170, 722365, 743004, 866838, 928755, 1238340, 1300257, 1444730, 1733676, 1857510, 2167095, 2600514, 2889460, 3715020, 4334190, 5201028, 6501285, 8668380, 13002570, 26005140]

約数ペア:

[(1, 26005140), (2, 13002570), (3, 8668380), (4, 6501285), (5, 5201028), (6, 4334190), (7, 3715020), (9, 2889460), (10, 2600514), (12, 2167095), (14, 1857510), (15, 1733676), (18, 1444730), (20, 1300257), (21, 1238340), (28, 928755), (30, 866838), (35, 743004), (36, 722365), (42, 619170), (45, 577892), (60, 433419), (63, 412780), (70, 371502), (84, 309585), (90, 288946), (105, 247668), (126, 206390), (140, 185751), (180, 144473), (210, 123834), (252, 103195), (315, 82556), (420, 61917), (630, 41278), (1260, 20639)]