99933640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{15913}}^1$

素因数の和:16081

約数の個数: 32

約数和(自身を含む): 226297080

約数和(自身を除く): 126363440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 15913, 31826, 63652, 79565, 127304, 159130, 318260, 636520, 2498341, 4996682, 9993364, 12491705, 19986728, 24983410, 49966820, 99933640]

約数ペア:

[(1, 99933640), (2, 49966820), (4, 24983410), (5, 19986728), (8, 12491705), (10, 9993364), (20, 4996682), (40, 2498341), (157, 636520), (314, 318260), (628, 159130), (785, 127304), (1256, 79565), (1570, 63652), (3140, 31826), (6280, 15913)]