220136960

素因数分解:

$2^9\times 5^1\times {\mathrm{85991}}^1$

素因数の和:86014

約数の個数: 40

約数和(自身を含む): 527818896

約数和(自身を除く): 307681936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 85991, 171982, 343964, 429955, 687928, 859910, 1375856, 1719820, 2751712, 3439640, 5503424, 6879280, 11006848, 13758560, 22013696, 27517120, 44027392, 55034240, 110068480, 220136960]

約数ペア:

[(1, 220136960), (2, 110068480), (4, 55034240), (5, 44027392), (8, 27517120), (10, 22013696), (16, 13758560), (20, 11006848), (32, 6879280), (40, 5503424), (64, 3439640), (80, 2751712), (128, 1719820), (160, 1375856), (256, 859910), (320, 687928), (512, 429955), (640, 343964), (1280, 171982), (2560, 85991)]