2080471880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^3\times {\mathrm{7583}}^1$

素因数の和:7651

約数の個数: 64

約数和(自身を含む): 4941734400

約数和(自身を除く): 2861262520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 6859, 7220, 7583, 13718, 14440, 15166, 27436, 30332, 34295, 37915, 54872, 60664, 68590, 75830, 137180, 144077, 151660, 274360, 288154, 303320, 576308, 720385, 1152616, 1440770, 2737463, 2881540, 5474926, 5763080, 10949852, 13687315, 21899704, 27374630, 52011797, 54749260, 104023594, 109498520, 208047188, 260058985, 416094376, 520117970, 1040235940, 2080471880]

約数ペア:

[(1, 2080471880), (2, 1040235940), (4, 520117970), (5, 416094376), (8, 260058985), (10, 208047188), (19, 109498520), (20, 104023594), (38, 54749260), (40, 52011797), (76, 27374630), (95, 21899704), (152, 13687315), (190, 10949852), (361, 5763080), (380, 5474926), (722, 2881540), (760, 2737463), (1444, 1440770), (1805, 1152616), (2888, 720385), (3610, 576308), (6859, 303320), (7220, 288154), (7583, 274360), (13718, 151660), (14440, 144077), (15166, 137180), (27436, 75830), (30332, 68590), (34295, 60664), (37915, 54872)]