31780160

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5227}}^1$

素因数の和:5263

約数の個数: 56

約数和(自身を含む): 79674720

約数和(自身を除く): 47894560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 5227, 6080, 10454, 20908, 26135, 41816, 52270, 83632, 99313, 104540, 167264, 198626, 209080, 334528, 397252, 418160, 496565, 794504, 836320, 993130, 1589008, 1672640, 1986260, 3178016, 3972520, 6356032, 7945040, 15890080, 31780160]

約数ペア:

[(1, 31780160), (2, 15890080), (4, 7945040), (5, 6356032), (8, 3972520), (10, 3178016), (16, 1986260), (19, 1672640), (20, 1589008), (32, 993130), (38, 836320), (40, 794504), (64, 496565), (76, 418160), (80, 397252), (95, 334528), (152, 209080), (160, 198626), (190, 167264), (304, 104540), (320, 99313), (380, 83632), (608, 52270), (760, 41816), (1216, 26135), (1520, 20908), (3040, 10454), (5227, 6080)]