72071320

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5869}}^1$

素因数の和:6187

約数の個数: 32

約数和(自身を含む): 162716400

約数和(自身を除く): 90645080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 5869, 6140, 11738, 12280, 23476, 29345, 46952, 58690, 117380, 234760, 1801783, 3603566, 7207132, 9008915, 14414264, 18017830, 36035660, 72071320]

約数ペア:

[(1, 72071320), (2, 36035660), (4, 18017830), (5, 14414264), (8, 9008915), (10, 7207132), (20, 3603566), (40, 1801783), (307, 234760), (614, 117380), (1228, 58690), (1535, 46952), (2456, 29345), (3070, 23476), (5869, 12280), (6140, 11738)]