2080751560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{38561}}^1$

素因数の和:38662

約数の個数: 64

約数和(自身を含む): 4997635200

約数和(自身を除く): 2916883640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 5396, 6745, 10792, 13490, 26980, 38561, 53960, 77122, 154244, 192805, 308488, 385610, 732659, 771220, 1465318, 1542440, 2737831, 2930636, 3663295, 5475662, 5861272, 7326590, 10951324, 13689155, 14653180, 21902648, 27378310, 29306360, 52018789, 54756620, 104037578, 109513240, 208075156, 260093945, 416150312, 520187890, 1040375780, 2080751560]

約数ペア:

[(1, 2080751560), (2, 1040375780), (4, 520187890), (5, 416150312), (8, 260093945), (10, 208075156), (19, 109513240), (20, 104037578), (38, 54756620), (40, 52018789), (71, 29306360), (76, 27378310), (95, 21902648), (142, 14653180), (152, 13689155), (190, 10951324), (284, 7326590), (355, 5861272), (380, 5475662), (568, 3663295), (710, 2930636), (760, 2737831), (1349, 1542440), (1420, 1465318), (2698, 771220), (2840, 732659), (5396, 385610), (6745, 308488), (10792, 192805), (13490, 154244), (26980, 77122), (38561, 53960)]