104721280

素因数分解:

$2^7\times 5^1\times {\mathrm{163627}}^1$

素因数の和:163646

約数の個数: 32

約数和(自身を含む): 250350840

約数和(自身を除く): 145629560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 163627, 327254, 654508, 818135, 1309016, 1636270, 2618032, 3272540, 5236064, 6545080, 10472128, 13090160, 20944256, 26180320, 52360640, 104721280]

約数ペア:

[(1, 104721280), (2, 52360640), (4, 26180320), (5, 20944256), (8, 13090160), (10, 10472128), (16, 6545080), (20, 5236064), (32, 3272540), (40, 2618032), (64, 1636270), (80, 1309016), (128, 818135), (160, 654508), (320, 327254), (640, 163627)]