400696144

素因数分解:

$2^4\times {\mathrm{2003}}^1\times {\mathrm{12503}}^1$

素因数の和:14514

約数の個数: 20

約数和(自身を含む): 776798496

約数和(自身を除く): 376102352

約数列:

[1, 2, 4, 8, 16, 2003, 4006, 8012, 12503, 16024, 25006, 32048, 50012, 100024, 200048, 25043509, 50087018, 100174036, 200348072, 400696144]

約数ペア:

[(1, 400696144), (2, 200348072), (4, 100174036), (8, 50087018), (16, 25043509), (2003, 200048), (4006, 100024), (8012, 50012), (12503, 32048), (16024, 25006)]