4978900480

素因数分解:

$2^9\times 5^1\times {\mathrm{1944883}}^1$

素因数の和:1944906

約数の個数: 40

約数和(自身を含む): 11937697992

約数和(自身を除く): 6958797512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 1944883, 3889766, 7779532, 9724415, 15559064, 19448830, 31118128, 38897660, 62236256, 77795320, 124472512, 155590640, 248945024, 311181280, 497890048, 622362560, 995780096, 1244725120, 2489450240, 4978900480]

約数ペア:

[(1, 4978900480), (2, 2489450240), (4, 1244725120), (5, 995780096), (8, 622362560), (10, 497890048), (16, 311181280), (20, 248945024), (32, 155590640), (40, 124472512), (64, 77795320), (80, 62236256), (128, 38897660), (160, 31118128), (256, 19448830), (320, 15559064), (512, 9724415), (640, 7779532), (1280, 3889766), (2560, 1944883)]