40970240

素因数分解:

$2^{11}\times 5^1\times {\mathrm{4001}}^1$

素因数の和:4028

約数の個数: 48

約数和(自身を含む): 98329140

約数和(自身を除く): 57358900

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, 4001, 5120, 8002, 10240, 16004, 20005, 32008, 40010, 64016, 80020, 128032, 160040, 256064, 320080, 512128, 640160, 1024256, 1280320, 2048512, 2560640, 4097024, 5121280, 8194048, 10242560, 20485120, 40970240]

約数ペア:

[(1, 40970240), (2, 20485120), (4, 10242560), (5, 8194048), (8, 5121280), (10, 4097024), (16, 2560640), (20, 2048512), (32, 1280320), (40, 1024256), (64, 640160), (80, 512128), (128, 320080), (160, 256064), (256, 160040), (320, 128032), (512, 80020), (640, 64016), (1024, 40010), (1280, 32008), (2048, 20005), (2560, 16004), (4001, 10240), (5120, 8002)]