122543920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{80621}}^1$

素因数の和:80653

約数の個数: 40

約数和(自身を含む): 299913840

約数和(自身を除く): 177369920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 80621, 161242, 322484, 403105, 644968, 806210, 1289936, 1531799, 1612420, 3063598, 3224840, 6127196, 6449680, 7658995, 12254392, 15317990, 24508784, 30635980, 61271960, 122543920]

約数ペア:

[(1, 122543920), (2, 61271960), (4, 30635980), (5, 24508784), (8, 15317990), (10, 12254392), (16, 7658995), (19, 6449680), (20, 6127196), (38, 3224840), (40, 3063598), (76, 1612420), (80, 1531799), (95, 1289936), (152, 806210), (190, 644968), (304, 403105), (380, 322484), (760, 161242), (1520, 80621)]