128227160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103409}}^1$

素因数の和:103451

約数の個数: 32

約数和(自身を含む): 297820800

約数和(自身を除く): 169593640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 103409, 206818, 413636, 517045, 827272, 1034090, 2068180, 3205679, 4136360, 6411358, 12822716, 16028395, 25645432, 32056790, 64113580, 128227160]

約数ペア:

[(1, 128227160), (2, 64113580), (4, 32056790), (5, 25645432), (8, 16028395), (10, 12822716), (20, 6411358), (31, 4136360), (40, 3205679), (62, 2068180), (124, 1034090), (155, 827272), (248, 517045), (310, 413636), (620, 206818), (1240, 103409)]