30487960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16217}}^1$

素因数の和:16275

約数の個数: 32

約数和(自身を含む): 70061760

約数和(自身を除く): 39573800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 16217, 32434, 64868, 81085, 129736, 162170, 324340, 648680, 762199, 1524398, 3048796, 3810995, 6097592, 7621990, 15243980, 30487960]

約数ペア:

[(1, 30487960), (2, 15243980), (4, 7621990), (5, 6097592), (8, 3810995), (10, 3048796), (20, 1524398), (40, 762199), (47, 648680), (94, 324340), (188, 162170), (235, 129736), (376, 81085), (470, 64868), (940, 32434), (1880, 16217)]