88998920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{16007}}^1$

素因数の和:16157

約数の個数: 32

約数和(自身を含む): 201700800

約数和(自身を除く): 112701880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 16007, 32014, 64028, 80035, 128056, 160070, 320140, 640280, 2224973, 4449946, 8899892, 11124865, 17799784, 22249730, 44499460, 88998920]

約数ペア:

[(1, 88998920), (2, 44499460), (4, 22249730), (5, 17799784), (8, 11124865), (10, 8899892), (20, 4449946), (40, 2224973), (139, 640280), (278, 320140), (556, 160070), (695, 128056), (1112, 80035), (1390, 64028), (2780, 32014), (5560, 16007)]