8821020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 27320832

約数和(自身を除く): 18499812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 156, 172, 195, 215, 258, 260, 263, 390, 430, 516, 526, 559, 645, 780, 789, 860, 1052, 1118, 1290, 1315, 1578, 1677, 2236, 2580, 2630, 2795, 3156, 3354, 3419, 3945, 5260, 5590, 6708, 6838, 7890, 8385, 10257, 11180, 11309, 13676, 15780, 16770, 17095, 20514, 22618, 33540, 33927, 34190, 41028, 45236, 51285, 56545, 67854, 68380, 102570, 113090, 135708, 147017, 169635, 205140, 226180, 294034, 339270, 441051, 588068, 678540, 735085, 882102, 1470170, 1764204, 2205255, 2940340, 4410510, 8821020]

約数ペア:

[(1, 8821020), (2, 4410510), (3, 2940340), (4, 2205255), (5, 1764204), (6, 1470170), (10, 882102), (12, 735085), (13, 678540), (15, 588068), (20, 441051), (26, 339270), (30, 294034), (39, 226180), (43, 205140), (52, 169635), (60, 147017), (65, 135708), (78, 113090), (86, 102570), (129, 68380), (130, 67854), (156, 56545), (172, 51285), (195, 45236), (215, 41028), (258, 34190), (260, 33927), (263, 33540), (390, 22618), (430, 20514), (516, 17095), (526, 16770), (559, 15780), (645, 13676), (780, 11309), (789, 11180), (860, 10257), (1052, 8385), (1118, 7890), (1290, 6838), (1315, 6708), (1578, 5590), (1677, 5260), (2236, 3945), (2580, 3419), (2630, 3354), (2795, 3156)]