90253280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43391}}^1$

素因数の和:43419

約数の個数: 48

約数和(自身を含む): 229630464

約数和(自身を除く): 139377184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 43391, 86782, 173564, 216955, 347128, 433910, 564083, 694256, 867820, 1128166, 1388512, 1735640, 2256332, 2820415, 3471280, 4512664, 5640830, 6942560, 9025328, 11281660, 18050656, 22563320, 45126640, 90253280]

約数ペア:

[(1, 90253280), (2, 45126640), (4, 22563320), (5, 18050656), (8, 11281660), (10, 9025328), (13, 6942560), (16, 5640830), (20, 4512664), (26, 3471280), (32, 2820415), (40, 2256332), (52, 1735640), (65, 1388512), (80, 1128166), (104, 867820), (130, 694256), (160, 564083), (208, 433910), (260, 347128), (416, 216955), (520, 173564), (1040, 86782), (2080, 43391)]