90868480

素因数分解:

$2^8\times 5^1\times {\mathrm{70991}}^1$

素因数の和:71012

約数の個数: 36

約数和(自身を含む): 217661472

約数和(自身を除く): 126792992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 70991, 141982, 283964, 354955, 567928, 709910, 1135856, 1419820, 2271712, 2839640, 4543424, 5679280, 9086848, 11358560, 18173696, 22717120, 45434240, 90868480]

約数ペア:

[(1, 90868480), (2, 45434240), (4, 22717120), (5, 18173696), (8, 11358560), (10, 9086848), (16, 5679280), (20, 4543424), (32, 2839640), (40, 2271712), (64, 1419820), (80, 1135856), (128, 709910), (160, 567928), (256, 354955), (320, 283964), (640, 141982), (1280, 70991)]