38986840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1432

約数の個数: 64

約数和(自身を含む): 94556160

約数和(自身を除く): 55569320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1367, 1426, 2734, 2852, 3565, 5468, 5704, 6835, 7130, 10936, 13670, 14260, 27340, 28520, 31441, 42377, 54680, 62882, 84754, 125764, 157205, 169508, 211885, 251528, 314410, 339016, 423770, 628820, 847540, 974671, 1257640, 1695080, 1949342, 3898684, 4873355, 7797368, 9746710, 19493420, 38986840]

約数ペア:

[(1, 38986840), (2, 19493420), (4, 9746710), (5, 7797368), (8, 4873355), (10, 3898684), (20, 1949342), (23, 1695080), (31, 1257640), (40, 974671), (46, 847540), (62, 628820), (92, 423770), (115, 339016), (124, 314410), (155, 251528), (184, 211885), (230, 169508), (248, 157205), (310, 125764), (460, 84754), (620, 62882), (713, 54680), (920, 42377), (1240, 31441), (1367, 28520), (1426, 27340), (2734, 14260), (2852, 13670), (3565, 10936), (5468, 7130), (5704, 6835)]