78490160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{20023}}^1$

素因数の和:20050

約数の個数: 60

約数和(自身を含む): 212294448

約数和(自身を除く): 133804288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 20023, 40046, 80092, 100115, 140161, 160184, 200230, 280322, 320368, 400460, 560644, 700805, 800920, 981127, 1121288, 1401610, 1601840, 1962254, 2242576, 2803220, 3924508, 4905635, 5606440, 7849016, 9811270, 11212880, 15698032, 19622540, 39245080, 78490160]

約数ペア:

[(1, 78490160), (2, 39245080), (4, 19622540), (5, 15698032), (7, 11212880), (8, 9811270), (10, 7849016), (14, 5606440), (16, 4905635), (20, 3924508), (28, 2803220), (35, 2242576), (40, 1962254), (49, 1601840), (56, 1401610), (70, 1121288), (80, 981127), (98, 800920), (112, 700805), (140, 560644), (196, 400460), (245, 320368), (280, 280322), (392, 200230), (490, 160184), (560, 140161), (784, 100115), (980, 80092), (1960, 40046), (3920, 20023)]