2238404920

素因数分解:

$2^3\times 5^1\times {\mathrm{3643}}^1\times {\mathrm{15361}}^1$

素因数の和:19015

約数の個数: 32

約数和(自身を含む): 5038121520

約数和(自身を除く): 2799716600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3643, 7286, 14572, 15361, 18215, 29144, 30722, 36430, 61444, 72860, 76805, 122888, 145720, 153610, 307220, 614440, 55960123, 111920246, 223840492, 279800615, 447680984, 559601230, 1119202460, 2238404920]

約数ペア:

[(1, 2238404920), (2, 1119202460), (4, 559601230), (5, 447680984), (8, 279800615), (10, 223840492), (20, 111920246), (40, 55960123), (3643, 614440), (7286, 307220), (14572, 153610), (15361, 145720), (18215, 122888), (29144, 76805), (30722, 72860), (36430, 61444)]