13171250

素因数分解:

$2^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 40

約数和(自身を含む): 25388748

約数和(自身を除く): 12217498

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 257, 410, 514, 625, 1025, 1250, 1285, 2050, 2570, 5125, 6425, 10250, 10537, 12850, 21074, 25625, 32125, 51250, 52685, 64250, 105370, 160625, 263425, 321250, 526850, 1317125, 2634250, 6585625, 13171250]

約数ペア:

[(1, 13171250), (2, 6585625), (5, 2634250), (10, 1317125), (25, 526850), (41, 321250), (50, 263425), (82, 160625), (125, 105370), (205, 64250), (250, 52685), (257, 51250), (410, 32125), (514, 25625), (625, 21074), (1025, 12850), (1250, 10537), (1285, 10250), (2050, 6425), (2570, 5125)]