27801940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3181}}^1$

素因数の和:3232

約数の個数: 48

約数和(自身を含む): 64149120

約数和(自身を除く): 36347180

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 3181, 4370, 6362, 8740, 12724, 15905, 31810, 60439, 63620, 73163, 120878, 146326, 241756, 292652, 302195, 365815, 604390, 731630, 1208780, 1390097, 1463260, 2780194, 5560388, 6950485, 13900970, 27801940]

約数ペア:

[(1, 27801940), (2, 13900970), (4, 6950485), (5, 5560388), (10, 2780194), (19, 1463260), (20, 1390097), (23, 1208780), (38, 731630), (46, 604390), (76, 365815), (92, 302195), (95, 292652), (115, 241756), (190, 146326), (230, 120878), (380, 73163), (437, 63620), (460, 60439), (874, 31810), (1748, 15905), (2185, 12724), (3181, 8740), (4370, 6362)]