77828480

素因数分解:

$2^7\times 5^1\times {\mathrm{121607}}^1$

素因数の和:121626

約数の個数: 32

約数和(自身を含む): 186060240

約数和(自身を除く): 108231760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 121607, 243214, 486428, 608035, 972856, 1216070, 1945712, 2432140, 3891424, 4864280, 7782848, 9728560, 15565696, 19457120, 38914240, 77828480]

約数ペア:

[(1, 77828480), (2, 38914240), (4, 19457120), (5, 15565696), (8, 9728560), (10, 7782848), (16, 4864280), (20, 3891424), (32, 2432140), (40, 1945712), (64, 1216070), (80, 972856), (128, 608035), (160, 486428), (320, 243214), (640, 121607)]