205445120

素因数分解:

$2^{11}\times 5^1\times {\mathrm{20063}}^1$

素因数の和:20090

約数の個数: 48

約数和(自身を含む): 492972480

約数和(自身を除く): 287527360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 20063, 40126, 80252, 100315, 160504, 200630, 321008, 401260, 642016, 802520, 1284032, 1605040, 2568064, 3210080, 5136128, 6420160, 10272256, 12840320, 20544512, 25680640, 41089024, 51361280, 102722560, 205445120]

約数ペア:

[(1, 205445120), (2, 102722560), (4, 51361280), (5, 41089024), (8, 25680640), (10, 20544512), (16, 12840320), (20, 10272256), (32, 6420160), (40, 5136128), (64, 3210080), (80, 2568064), (128, 1605040), (160, 1284032), (256, 802520), (320, 642016), (512, 401260), (640, 321008), (1024, 200630), (1280, 160504), (2048, 100315), (2560, 80252), (5120, 40126), (10240, 20063)]