144625280

素因数分解:

$2^7\times 5^1\times {\mathrm{225977}}^1$

素因数の和:225996

約数の個数: 32

約数和(自身を含む): 345746340

約数和(自身を除く): 201121060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 225977, 451954, 903908, 1129885, 1807816, 2259770, 3615632, 4519540, 7231264, 9039080, 14462528, 18078160, 28925056, 36156320, 72312640, 144625280]

約数ペア:

[(1, 144625280), (2, 72312640), (4, 36156320), (5, 28925056), (8, 18078160), (10, 14462528), (16, 9039080), (20, 7231264), (32, 4519540), (40, 3615632), (64, 2259770), (80, 1807816), (128, 1129885), (160, 903908), (320, 451954), (640, 225977)]