72355120

素因数分解:

$2^4\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1091}}^1$

素因数の和:1933

約数の個数: 40

約数和(自身を含む): 168582960

約数和(自身を除く): 96227840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829, 1091, 1658, 2182, 3316, 4145, 4364, 5455, 6632, 8290, 8728, 10910, 13264, 16580, 17456, 21820, 33160, 43640, 66320, 87280, 904439, 1808878, 3617756, 4522195, 7235512, 9044390, 14471024, 18088780, 36177560, 72355120]

約数ペア:

[(1, 72355120), (2, 36177560), (4, 18088780), (5, 14471024), (8, 9044390), (10, 7235512), (16, 4522195), (20, 3617756), (40, 1808878), (80, 904439), (829, 87280), (1091, 66320), (1658, 43640), (2182, 33160), (3316, 21820), (4145, 17456), (4364, 16580), (5455, 13264), (6632, 10910), (8290, 8728)]