158620160

素因数分解:

$2^9\times 5^1\times {\mathrm{61961}}^1$

素因数の和:61984

約数の個数: 40

約数和(自身を含む): 380322756

約数和(自身を除く): 221702596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 61961, 123922, 247844, 309805, 495688, 619610, 991376, 1239220, 1982752, 2478440, 3965504, 4956880, 7931008, 9913760, 15862016, 19827520, 31724032, 39655040, 79310080, 158620160]

約数ペア:

[(1, 158620160), (2, 79310080), (4, 39655040), (5, 31724032), (8, 19827520), (10, 15862016), (16, 9913760), (20, 7931008), (32, 4956880), (40, 3965504), (64, 2478440), (80, 1982752), (128, 1239220), (160, 991376), (256, 619610), (320, 495688), (512, 309805), (640, 247844), (1280, 123922), (2560, 61961)]