101352920

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{16139}}^1$

素因数の和:16307

約数の個数: 32

約数和(自身を含む): 229510800

約数和(自身を除く): 128157880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 16139, 32278, 64556, 80695, 129112, 161390, 322780, 645560, 2533823, 5067646, 10135292, 12669115, 20270584, 25338230, 50676460, 101352920]

約数ペア:

[(1, 101352920), (2, 50676460), (4, 25338230), (5, 20270584), (8, 12669115), (10, 10135292), (20, 5067646), (40, 2533823), (157, 645560), (314, 322780), (628, 161390), (785, 129112), (1256, 80695), (1570, 64556), (3140, 32278), (6280, 16139)]