30885040

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2459}}^1$

素因数の和:2629

約数の個数: 40

約数和(自身を含む): 72294480

約数和(自身を除く): 41409440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2459, 2512, 3140, 4918, 6280, 9836, 12295, 12560, 19672, 24590, 39344, 49180, 98360, 196720, 386063, 772126, 1544252, 1930315, 3088504, 3860630, 6177008, 7721260, 15442520, 30885040]

約数ペア:

[(1, 30885040), (2, 15442520), (4, 7721260), (5, 6177008), (8, 3860630), (10, 3088504), (16, 1930315), (20, 1544252), (40, 772126), (80, 386063), (157, 196720), (314, 98360), (628, 49180), (785, 39344), (1256, 24590), (1570, 19672), (2459, 12560), (2512, 12295), (3140, 9836), (4918, 6280)]