15878210

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 29376000

約数和(自身を除く): 13497790

約数列:

[1, 2, 5, 10, 79, 101, 158, 199, 202, 395, 398, 505, 790, 995, 1010, 1990, 7979, 15721, 15958, 20099, 31442, 39895, 40198, 78605, 79790, 100495, 157210, 200990, 1587821, 3175642, 7939105, 15878210]

約数ペア:

[(1, 15878210), (2, 7939105), (5, 3175642), (10, 1587821), (79, 200990), (101, 157210), (158, 100495), (199, 79790), (202, 78605), (395, 40198), (398, 39895), (505, 31442), (790, 20099), (995, 15958), (1010, 15721), (1990, 7979)]