80488100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10453}}^1$

素因数の和:10485

約数の個数: 72

約数和(自身を含む): 217777728

約数和(自身を除く): 137289628

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 10453, 20906, 41812, 52265, 73171, 104530, 114983, 146342, 209060, 229966, 261325, 292684, 365855, 459932, 522650, 574915, 731710, 804881, 1045300, 1149830, 1463420, 1609762, 1829275, 2299660, 2874575, 3219524, 3658550, 4024405, 5749150, 7317100, 8048810, 11498300, 16097620, 20122025, 40244050, 80488100]

約数ペア:

[(1, 80488100), (2, 40244050), (4, 20122025), (5, 16097620), (7, 11498300), (10, 8048810), (11, 7317100), (14, 5749150), (20, 4024405), (22, 3658550), (25, 3219524), (28, 2874575), (35, 2299660), (44, 1829275), (50, 1609762), (55, 1463420), (70, 1149830), (77, 1045300), (100, 804881), (110, 731710), (140, 574915), (154, 522650), (175, 459932), (220, 365855), (275, 292684), (308, 261325), (350, 229966), (385, 209060), (550, 146342), (700, 114983), (770, 104530), (1100, 73171), (1540, 52265), (1925, 41812), (3850, 20906), (7700, 10453)]