19635133040

素因数分解:

$2^4\times 5^1\times {\mathrm{245439163}}^1$

素因数の和:245439176

約数の個数: 20

約数和(自身を含む): 45651684504

約数和(自身を除く): 26016551464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 245439163, 490878326, 981756652, 1227195815, 1963513304, 2454391630, 3927026608, 4908783260, 9817566520, 19635133040]

約数ペア:

[(1, 19635133040), (2, 9817566520), (4, 4908783260), (5, 3927026608), (8, 2454391630), (10, 1963513304), (16, 1227195815), (20, 981756652), (40, 490878326), (80, 245439163)]