66073640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{86939}}^1$

素因数の和:86969

約数の個数: 32

約数和(自身を含む): 156492000

約数和(自身を除く): 90418360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 86939, 173878, 347756, 434695, 695512, 869390, 1651841, 1738780, 3303682, 3477560, 6607364, 8259205, 13214728, 16518410, 33036820, 66073640]

約数ペア:

[(1, 66073640), (2, 33036820), (4, 16518410), (5, 13214728), (8, 8259205), (10, 6607364), (19, 3477560), (20, 3303682), (38, 1738780), (40, 1651841), (76, 869390), (95, 695512), (152, 434695), (190, 347756), (380, 173878), (760, 86939)]