99929680

素因数分解:

$2^4\times 5^1\times {\mathrm{1249121}}^1$

素因数の和:1249134

約数の個数: 20

約数和(自身を含む): 232336692

約数和(自身を除く): 132407012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1249121, 2498242, 4996484, 6245605, 9992968, 12491210, 19985936, 24982420, 49964840, 99929680]

約数ペア:

[(1, 99929680), (2, 49964840), (4, 24982420), (5, 19985936), (8, 12491210), (10, 9992968), (16, 6245605), (20, 4996484), (40, 2498242), (80, 1249121)]