40220500

素因数分解:

$2^2\times 5^3\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:589

約数の個数: 48

約数和(自身を含む): 88465104

約数和(自身を除く): 48244604

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 257, 313, 500, 514, 626, 1028, 1252, 1285, 1565, 2570, 3130, 5140, 6260, 6425, 7825, 12850, 15650, 25700, 31300, 32125, 39125, 64250, 78250, 80441, 128500, 156500, 160882, 321764, 402205, 804410, 1608820, 2011025, 4022050, 8044100, 10055125, 20110250, 40220500]

約数ペア:

[(1, 40220500), (2, 20110250), (4, 10055125), (5, 8044100), (10, 4022050), (20, 2011025), (25, 1608820), (50, 804410), (100, 402205), (125, 321764), (250, 160882), (257, 156500), (313, 128500), (500, 80441), (514, 78250), (626, 64250), (1028, 39125), (1252, 32125), (1285, 31300), (1565, 25700), (2570, 15650), (3130, 12850), (5140, 7825), (6260, 6425)]