201939680

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8039}}^1$

素因数の和:8211

約数の個数: 48

約数和(自身を含む): 480180960

約数和(自身を除く): 278241280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 3140, 5024, 6280, 8039, 12560, 16078, 25120, 32156, 40195, 64312, 80390, 128624, 160780, 257248, 321560, 643120, 1262123, 1286240, 2524246, 5048492, 6310615, 10096984, 12621230, 20193968, 25242460, 40387936, 50484920, 100969840, 201939680]

約数ペア:

[(1, 201939680), (2, 100969840), (4, 50484920), (5, 40387936), (8, 25242460), (10, 20193968), (16, 12621230), (20, 10096984), (32, 6310615), (40, 5048492), (80, 2524246), (157, 1286240), (160, 1262123), (314, 643120), (628, 321560), (785, 257248), (1256, 160780), (1570, 128624), (2512, 80390), (3140, 64312), (5024, 40195), (6280, 32156), (8039, 25120), (12560, 16078)]