89567960

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{4139}}^1$

素因数の和:4691

約数の個数: 32

約数和(自身を含む): 201949200

約数和(自身を除く): 112381240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4139, 4328, 5410, 8278, 10820, 16556, 20695, 21640, 33112, 41390, 82780, 165560, 2239199, 4478398, 8956796, 11195995, 17913592, 22391990, 44783980, 89567960]

約数ペア:

[(1, 89567960), (2, 44783980), (4, 22391990), (5, 17913592), (8, 11195995), (10, 8956796), (20, 4478398), (40, 2239199), (541, 165560), (1082, 82780), (2164, 41390), (2705, 33112), (4139, 21640), (4328, 20695), (5410, 16556), (8278, 10820)]