100820920

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{6581}}^1$

素因数の和:6975

約数の個数: 32

約数和(自身を含む): 227473920

約数和(自身を除く): 126653000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 6581, 7660, 13162, 15320, 26324, 32905, 52648, 65810, 131620, 263240, 2520523, 5041046, 10082092, 12602615, 20164184, 25205230, 50410460, 100820920]

約数ペア:

[(1, 100820920), (2, 50410460), (4, 25205230), (5, 20164184), (8, 12602615), (10, 10082092), (20, 5041046), (40, 2520523), (383, 263240), (766, 131620), (1532, 65810), (1915, 52648), (3064, 32905), (3830, 26324), (6581, 15320), (7660, 13162)]