30613840

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1489}}^1$

素因数の和:1759

約数の個数: 40

約数和(自身を含む): 71502120

約数和(自身を除く): 40888280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 1489, 2056, 2570, 2978, 4112, 5140, 5956, 7445, 10280, 11912, 14890, 20560, 23824, 29780, 59560, 119120, 382673, 765346, 1530692, 1913365, 3061384, 3826730, 6122768, 7653460, 15306920, 30613840]

約数ペア:

[(1, 30613840), (2, 15306920), (4, 7653460), (5, 6122768), (8, 3826730), (10, 3061384), (16, 1913365), (20, 1530692), (40, 765346), (80, 382673), (257, 119120), (514, 59560), (1028, 29780), (1285, 23824), (1489, 20560), (2056, 14890), (2570, 11912), (2978, 10280), (4112, 7445), (5140, 5956)]