71702920

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{5839}}^1$

素因数の和:6157

約数の個数: 32

約数和(自身を含む): 161884800

約数和(自身を除く): 90181880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 5839, 6140, 11678, 12280, 23356, 29195, 46712, 58390, 116780, 233560, 1792573, 3585146, 7170292, 8962865, 14340584, 17925730, 35851460, 71702920]

約数ペア:

[(1, 71702920), (2, 35851460), (4, 17925730), (5, 14340584), (8, 8962865), (10, 7170292), (20, 3585146), (40, 1792573), (307, 233560), (614, 116780), (1228, 58390), (1535, 46712), (2456, 29195), (3070, 23356), (5839, 12280), (6140, 11678)]