133711280

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3989}}^1$

素因数の和:4421

約数の個数: 40

約数和(自身を含む): 311698800

約数和(自身を除く): 177987520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1676, 2095, 3352, 3989, 4190, 6704, 7978, 8380, 15956, 16760, 19945, 31912, 33520, 39890, 63824, 79780, 159560, 319120, 1671391, 3342782, 6685564, 8356955, 13371128, 16713910, 26742256, 33427820, 66855640, 133711280]

約数ペア:

[(1, 133711280), (2, 66855640), (4, 33427820), (5, 26742256), (8, 16713910), (10, 13371128), (16, 8356955), (20, 6685564), (40, 3342782), (80, 1671391), (419, 319120), (838, 159560), (1676, 79780), (2095, 63824), (3352, 39890), (3989, 33520), (4190, 31912), (6704, 19945), (7978, 16760), (8380, 15956)]