2008385680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{12763}}^1$

素因数の和:13064

約数の個数: 80

約数和(自身を含む): 5355978624

約数和(自身を除く): 3347592944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 560, 562, 1124, 1405, 1967, 2248, 2810, 3934, 4496, 5620, 7868, 9835, 11240, 12763, 15736, 19670, 22480, 25526, 31472, 39340, 51052, 63815, 78680, 89341, 102104, 127630, 157360, 178682, 204208, 255260, 357364, 446705, 510520, 714728, 893410, 1021040, 1429456, 1786820, 3573640, 3586403, 7147280, 7172806, 14345612, 17932015, 25104821, 28691224, 35864030, 50209642, 57382448, 71728060, 100419284, 125524105, 143456120, 200838568, 251048210, 286912240, 401677136, 502096420, 1004192840, 2008385680]

約数ペア:

[(1, 2008385680), (2, 1004192840), (4, 502096420), (5, 401677136), (7, 286912240), (8, 251048210), (10, 200838568), (14, 143456120), (16, 125524105), (20, 100419284), (28, 71728060), (35, 57382448), (40, 50209642), (56, 35864030), (70, 28691224), (80, 25104821), (112, 17932015), (140, 14345612), (280, 7172806), (281, 7147280), (560, 3586403), (562, 3573640), (1124, 1786820), (1405, 1429456), (1967, 1021040), (2248, 893410), (2810, 714728), (3934, 510520), (4496, 446705), (5620, 357364), (7868, 255260), (9835, 204208), (11240, 178682), (12763, 157360), (15736, 127630), (19670, 102104), (22480, 89341), (25526, 78680), (31472, 63815), (39340, 51052)]