80777620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52453}}^1$

素因数の和:52480

約数の個数: 48

約数和(自身を含む): 211494528

約数和(自身を除く): 130716908

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 52453, 104906, 209812, 262265, 367171, 524530, 576983, 734342, 1049060, 1153966, 1468684, 1835855, 2307932, 2884915, 3671710, 4038881, 5769830, 7343420, 8077762, 11539660, 16155524, 20194405, 40388810, 80777620]

約数ペア:

[(1, 80777620), (2, 40388810), (4, 20194405), (5, 16155524), (7, 11539660), (10, 8077762), (11, 7343420), (14, 5769830), (20, 4038881), (22, 3671710), (28, 2884915), (35, 2307932), (44, 1835855), (55, 1468684), (70, 1153966), (77, 1049060), (110, 734342), (140, 576983), (154, 524530), (220, 367171), (308, 262265), (385, 209812), (770, 104906), (1540, 52453)]