80409364

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 166803840

約数和(自身を除く): 86394476

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 89, 164, 178, 287, 356, 574, 623, 787, 1148, 1246, 1574, 2492, 3148, 3649, 5509, 7298, 11018, 14596, 22036, 25543, 32267, 51086, 64534, 70043, 102172, 129068, 140086, 225869, 280172, 451738, 490301, 903476, 980602, 1961204, 2871763, 5743526, 11487052, 20102341, 40204682, 80409364]

約数ペア:

[(1, 80409364), (2, 40204682), (4, 20102341), (7, 11487052), (14, 5743526), (28, 2871763), (41, 1961204), (82, 980602), (89, 903476), (164, 490301), (178, 451738), (287, 280172), (356, 225869), (574, 140086), (623, 129068), (787, 102172), (1148, 70043), (1246, 64534), (1574, 51086), (2492, 32267), (3148, 25543), (3649, 22036), (5509, 14596), (7298, 11018)]