288565120

素因数分解:

$2^7\times 5^1\times {\mathrm{450883}}^1$

素因数の和:450902

約数の個数: 32

約数和(自身を含む): 689852520

約数和(自身を除く): 401287400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 450883, 901766, 1803532, 2254415, 3607064, 4508830, 7214128, 9017660, 14428256, 18035320, 28856512, 36070640, 57713024, 72141280, 144282560, 288565120]

約数ペア:

[(1, 288565120), (2, 144282560), (4, 72141280), (5, 57713024), (8, 36070640), (10, 28856512), (16, 18035320), (20, 14428256), (32, 9017660), (40, 7214128), (64, 4508830), (80, 3607064), (128, 2254415), (160, 1803532), (320, 901766), (640, 450883)]