30605840

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2003}}^1$

素因数の和:2207

約数の個数: 40

約数和(自身を含む): 71566848

約数和(自身を除く): 40961008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 2003, 3056, 3820, 4006, 7640, 8012, 10015, 15280, 16024, 20030, 32048, 40060, 80120, 160240, 382573, 765146, 1530292, 1912865, 3060584, 3825730, 6121168, 7651460, 15302920, 30605840]

約数ペア:

[(1, 30605840), (2, 15302920), (4, 7651460), (5, 6121168), (8, 3825730), (10, 3060584), (16, 1912865), (20, 1530292), (40, 765146), (80, 382573), (191, 160240), (382, 80120), (764, 40060), (955, 32048), (1528, 20030), (1910, 16024), (2003, 15280), (3056, 10015), (3820, 8012), (4006, 7640)]