805278520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{3407}}^1$

素因数の和:3748

約数の個数: 64

約数和(自身を含む): 1913932800

約数和(自身を除く): 1108654280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 311, 380, 622, 760, 1244, 1555, 2488, 3110, 3407, 5909, 6220, 6814, 11818, 12440, 13628, 17035, 23636, 27256, 29545, 34070, 47272, 59090, 64733, 68140, 118180, 129466, 136280, 236360, 258932, 323665, 517864, 647330, 1059577, 1294660, 2119154, 2589320, 4238308, 5297885, 8476616, 10595770, 20131963, 21191540, 40263926, 42383080, 80527852, 100659815, 161055704, 201319630, 402639260, 805278520]

約数ペア:

[(1, 805278520), (2, 402639260), (4, 201319630), (5, 161055704), (8, 100659815), (10, 80527852), (19, 42383080), (20, 40263926), (38, 21191540), (40, 20131963), (76, 10595770), (95, 8476616), (152, 5297885), (190, 4238308), (311, 2589320), (380, 2119154), (622, 1294660), (760, 1059577), (1244, 647330), (1555, 517864), (2488, 323665), (3110, 258932), (3407, 236360), (5909, 136280), (6220, 129466), (6814, 118180), (11818, 68140), (12440, 64733), (13628, 59090), (17035, 47272), (23636, 34070), (27256, 29545)]